Home / 8,038,531.20-12,057,796.80-5,487,614.40

Finding the Fourth Proportional to 8,038,531.20, 12,057,796.80 and 5,487,614.40

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Solution

The fourth proportional to 8,038,531.20, 12,057,796.80 and 5,487,614.40 is: 8,231,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,531.20 : 12,057,796.80 = 5,487,614.40 : x
  2. Step 2: Convert to fraction form
    8,038,531.20/12,057,796.80 = 5,487,614.40/x
  3. Step 3: Cross multiply
    8,038,531.20x = 12,057,796.80 × 5,487,614.40
  4. Step 4: Simplify right side
    8,038,531.20x = 66,168,539,351,953.93
  5. Step 5: Solve for x
    x = 66,168,539,351,953.93/8,038,531.20
  6. Step 6: Final answer
    x = 8,231,421.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.