Home / 21,454,809.62-29,607,429.15-11,665,253.79

Finding the Fourth Proportional to 21,454,809.62, 29,607,429.15 and 11,665,253.79

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Solution

The fourth proportional to 21,454,809.62, 29,607,429.15 and 11,665,253.79 is: 16,097,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,809.62 : 29,607,429.15 = 11,665,253.79 : x
  2. Step 2: Convert to fraction form
    21,454,809.62/29,607,429.15 = 11,665,253.79/x
  3. Step 3: Cross multiply
    21,454,809.62x = 29,607,429.15 × 11,665,253.79
  4. Step 4: Simplify right side
    21,454,809.62x = 345,378,175,104,193.94
  5. Step 5: Solve for x
    x = 345,378,175,104,193.94/21,454,809.62
  6. Step 6: Final answer
    x = 16,097,937.07

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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.