Home / 10,207,481.40-15,293,507.40-8,613,158.40

Finding the Fourth Proportional to 10,207,481.40, 15,293,507.40 and 8,613,158.40

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Solution

The fourth proportional to 10,207,481.40, 15,293,507.40 and 8,613,158.40 is: 12,904,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,481.40 : 15,293,507.40 = 8,613,158.40 : x
  2. Step 2: Convert to fraction form
    10,207,481.40/15,293,507.40 = 8,613,158.40/x
  3. Step 3: Cross multiply
    10,207,481.40x = 15,293,507.40 × 8,613,158.40
  4. Step 4: Simplify right side
    10,207,481.40x = 131,725,401,727,772.17
  5. Step 5: Solve for x
    x = 131,725,401,727,772.17/10,207,481.40
  6. Step 6: Final answer
    x = 12,904,789.79

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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.