Home / 21,388,665.97-29,516,373.54-11,599,107.22

Finding the Fourth Proportional to 21,388,665.97, 29,516,373.54 and 11,599,107.22

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Solution

The fourth proportional to 21,388,665.97, 29,516,373.54 and 11,599,107.22 is: 16,006,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,665.97 : 29,516,373.54 = 11,599,107.22 : x
  2. Step 2: Convert to fraction form
    21,388,665.97/29,516,373.54 = 11,599,107.22/x
  3. Step 3: Cross multiply
    21,388,665.97x = 29,516,373.54 × 11,599,107.22
  4. Step 4: Simplify right side
    21,388,665.97x = 342,363,581,436,030.94
  5. Step 5: Solve for x
    x = 342,363,581,436,030.94/21,388,665.97
  6. Step 6: Final answer
    x = 16,006,775.83

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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.