Home / 15,306,760.62-21,123,148.59-8,337,416.31

Finding the Fourth Proportional to 15,306,760.62, 21,123,148.59 and 8,337,416.31

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Solution

The fourth proportional to 15,306,760.62, 21,123,148.59 and 8,337,416.31 is: 11,505,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,760.62 : 21,123,148.59 = 8,337,416.31 : x
  2. Step 2: Convert to fraction form
    15,306,760.62/21,123,148.59 = 8,337,416.31/x
  3. Step 3: Cross multiply
    15,306,760.62x = 21,123,148.59 × 8,337,416.31
  4. Step 4: Simplify right side
    15,306,760.62x = 176,112,483,572,819.50
  5. Step 5: Solve for x
    x = 176,112,483,572,819.50/15,306,760.62
  6. Step 6: Final answer
    x = 11,505,535.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.