Home / 21,690,780.08-29,933,273.25-12,398,549.67

Finding the Fourth Proportional to 21,690,780.08, 29,933,273.25 and 12,398,549.67

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Solution

The fourth proportional to 21,690,780.08, 29,933,273.25 and 12,398,549.67 is: 17,109,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,780.08 : 29,933,273.25 = 12,398,549.67 : x
  2. Step 2: Convert to fraction form
    21,690,780.08/29,933,273.25 = 12,398,549.67/x
  3. Step 3: Cross multiply
    21,690,780.08x = 29,933,273.25 × 12,398,549.67
  4. Step 4: Simplify right side
    21,690,780.08x = 371,129,175,175,807.31
  5. Step 5: Solve for x
    x = 371,129,175,175,807.31/21,690,780.08
  6. Step 6: Final answer
    x = 17,109,996.68

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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.