Home / 17,930,499.20-26,755,899.04-15,998,128.64

Finding the Fourth Proportional to 17,930,499.20, 26,755,899.04 and 15,998,128.64

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Solution

The fourth proportional to 17,930,499.20, 26,755,899.04 and 15,998,128.64 is: 23,872,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930,499.20 : 26,755,899.04 = 15,998,128.64 : x
  2. Step 2: Convert to fraction form
    17,930,499.20/26,755,899.04 = 15,998,128.64/x
  3. Step 3: Cross multiply
    17,930,499.20x = 26,755,899.04 × 15,998,128.64
  4. Step 4: Simplify right side
    17,930,499.20x = 428,044,314,720,772.50
  5. Step 5: Solve for x
    x = 428,044,314,720,772.50/17,930,499.20
  6. Step 6: Final answer
    x = 23,872,414.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.