Home / 21,519,908.10-29,697,086.88-11,730,436.02

Finding the Fourth Proportional to 21,519,908.10, 29,697,086.88 and 11,730,436.02

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Solution

The fourth proportional to 21,519,908.10, 29,697,086.88 and 11,730,436.02 is: 16,187,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,908.10 : 29,697,086.88 = 11,730,436.02 : x
  2. Step 2: Convert to fraction form
    21,519,908.10/29,697,086.88 = 11,730,436.02/x
  3. Step 3: Cross multiply
    21,519,908.10x = 29,697,086.88 × 11,730,436.02
  4. Step 4: Simplify right side
    21,519,908.10x = 348,359,777,626,221.38
  5. Step 5: Solve for x
    x = 348,359,777,626,221.38/21,519,908.10
  6. Step 6: Final answer
    x = 16,187,791.14

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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.