Home / 8,078,531.40-12,117,797.10-5,527,614.60

Finding the Fourth Proportional to 8,078,531.40, 12,117,797.10 and 5,527,614.60

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Solution

The fourth proportional to 8,078,531.40, 12,117,797.10 and 5,527,614.60 is: 8,291,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,531.40 : 12,117,797.10 = 5,527,614.60 : x
  2. Step 2: Convert to fraction form
    8,078,531.40/12,117,797.10 = 5,527,614.60/x
  3. Step 3: Cross multiply
    8,078,531.40x = 12,117,797.10 × 5,527,614.60
  4. Step 4: Simplify right side
    8,078,531.40x = 66,982,512,169,797.66
  5. Step 5: Solve for x
    x = 66,982,512,169,797.66/8,078,531.40
  6. Step 6: Final answer
    x = 8,291,421.90

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Double scale
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Similar ratio
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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.