Home / 21,443,002-29,591,569.48-11,653,445.95

Finding the Fourth Proportional to 21,443,002, 29,591,569.48 and 11,653,445.95

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Solution

The fourth proportional to 21,443,002, 29,591,569.48 and 11,653,445.95 is: 16,081,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,002 : 29,591,569.48 = 11,653,445.95 : x
  2. Step 2: Convert to fraction form
    21,443,002/29,591,569.48 = 11,653,445.95/x
  3. Step 3: Cross multiply
    21,443,002x = 29,591,569.48 × 11,653,445.95
  4. Step 4: Simplify right side
    21,443,002x = 344,843,755,510,849.56
  5. Step 5: Solve for x
    x = 344,843,755,510,849.56/21,443,002
  6. Step 6: Final answer
    x = 16,081,878.62

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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.