Home / 21,664,010.24-29,899,399.73-13,406,731.86

Finding the Fourth Proportional to 21,664,010.24, 29,899,399.73 and 13,406,731.86

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Solution

The fourth proportional to 21,664,010.24, 29,899,399.73 and 13,406,731.86 is: 18,503,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,010.24 : 29,899,399.73 = 13,406,731.86 : x
  2. Step 2: Convert to fraction form
    21,664,010.24/29,899,399.73 = 13,406,731.86/x
  3. Step 3: Cross multiply
    21,664,010.24x = 29,899,399.73 × 13,406,731.86
  4. Step 4: Simplify right side
    21,664,010.24x = 400,853,234,888,032.75
  5. Step 5: Solve for x
    x = 400,853,234,888,032.75/21,664,010.24
  6. Step 6: Final answer
    x = 18,503,187.11

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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.