Home / 28,061,291.70-42,091,937.55-17,243,514.90

Finding the Fourth Proportional to 28,061,291.70, 42,091,937.55 and 17,243,514.90

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Solution

The fourth proportional to 28,061,291.70, 42,091,937.55 and 17,243,514.90 is: 25,865,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061,291.70 : 42,091,937.55 = 17,243,514.90 : x
  2. Step 2: Convert to fraction form
    28,061,291.70/42,091,937.55 = 17,243,514.90/x
  3. Step 3: Cross multiply
    28,061,291.70x = 42,091,937.55 × 17,243,514.90
  4. Step 4: Simplify right side
    28,061,291.70x = 725,812,952,313,294.38
  5. Step 5: Solve for x
    x = 725,812,952,313,294.38/28,061,291.70
  6. Step 6: Final answer
    x = 25,865,272.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.