Home / 21,225,900.40-29,291,839.68-12,059,046.16

Finding the Fourth Proportional to 21,225,900.40, 29,291,839.68 and 12,059,046.16

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Solution

The fourth proportional to 21,225,900.40, 29,291,839.68 and 12,059,046.16 is: 16,641,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,900.40 : 29,291,839.68 = 12,059,046.16 : x
  2. Step 2: Convert to fraction form
    21,225,900.40/29,291,839.68 = 12,059,046.16/x
  3. Step 3: Cross multiply
    21,225,900.40x = 29,291,839.68 × 12,059,046.16
  4. Step 4: Simplify right side
    21,225,900.40x = 353,231,646,812,439.62
  5. Step 5: Solve for x
    x = 353,231,646,812,439.62/21,225,900.40
  6. Step 6: Final answer
    x = 16,641,538.88

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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.