Home / 21,537,127.67-29,721,585.15-11,747,568.92

Finding the Fourth Proportional to 21,537,127.67, 29,721,585.15 and 11,747,568.92

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Solution

The fourth proportional to 21,537,127.67, 29,721,585.15 and 11,747,568.92 is: 16,211,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,127.67 : 29,721,585.15 = 11,747,568.92 : x
  2. Step 2: Convert to fraction form
    21,537,127.67/29,721,585.15 = 11,747,568.92/x
  3. Step 3: Cross multiply
    21,537,127.67x = 29,721,585.15 × 11,747,568.92
  4. Step 4: Simplify right side
    21,537,127.67x = 349,156,369,812,665.56
  5. Step 5: Solve for x
    x = 349,156,369,812,665.56/21,537,127.67
  6. Step 6: Final answer
    x = 16,211,835.45

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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.