Home / 15,900,463.11-21,956,277.51-15,386,294.01

Finding the Fourth Proportional to 15,900,463.11, 21,956,277.51 and 15,386,294.01

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Solution

The fourth proportional to 15,900,463.11, 21,956,277.51 and 15,386,294.01 is: 21,246,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900,463.11 : 21,956,277.51 = 15,386,294.01 : x
  2. Step 2: Convert to fraction form
    15,900,463.11/21,956,277.51 = 15,386,294.01/x
  3. Step 3: Cross multiply
    15,900,463.11x = 21,956,277.51 × 15,386,294.01
  4. Step 4: Simplify right side
    15,900,463.11x = 337,825,741,134,010.75
  5. Step 5: Solve for x
    x = 337,825,741,134,010.75/15,900,463.11
  6. Step 6: Final answer
    x = 21,246,283.13

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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.