Home / 21,519,508.64-29,696,028.36-11,729,737.40

Finding the Fourth Proportional to 21,519,508.64, 29,696,028.36 and 11,729,737.40

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Solution

The fourth proportional to 21,519,508.64, 29,696,028.36 and 11,729,737.40 is: 16,186,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,508.64 : 29,696,028.36 = 11,729,737.40 : x
  2. Step 2: Convert to fraction form
    21,519,508.64/29,696,028.36 = 11,729,737.40/x
  3. Step 3: Cross multiply
    21,519,508.64x = 29,696,028.36 × 11,729,737.40
  4. Step 4: Simplify right side
    21,519,508.64x = 348,326,614,485,752.69
  5. Step 5: Solve for x
    x = 348,326,614,485,752.69/21,519,508.64
  6. Step 6: Final answer
    x = 16,186,550.55

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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.