Home / 8,174,403.20-12,261,604.80-6,261,215.60

Finding the Fourth Proportional to 8,174,403.20, 12,261,604.80 and 6,261,215.60

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Solution

The fourth proportional to 8,174,403.20, 12,261,604.80 and 6,261,215.60 is: 9,391,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,403.20 : 12,261,604.80 = 6,261,215.60 : x
  2. Step 2: Convert to fraction form
    8,174,403.20/12,261,604.80 = 6,261,215.60/x
  3. Step 3: Cross multiply
    8,174,403.20x = 12,261,604.80 × 6,261,215.60
  4. Step 4: Simplify right side
    8,174,403.20x = 76,772,551,254,794.88
  5. Step 5: Solve for x
    x = 76,772,551,254,794.88/8,174,403.20
  6. Step 6: Final answer
    x = 9,391,823.40

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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.