Home / 25,391,145.87-38,081,761.13-8,114,712.47

Finding the Fourth Proportional to 25,391,145.87, 38,081,761.13 and 8,114,712.47

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Solution

The fourth proportional to 25,391,145.87, 38,081,761.13 and 8,114,712.47 is: 12,170,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391,145.87 : 38,081,761.13 = 8,114,712.47 : x
  2. Step 2: Convert to fraction form
    25,391,145.87/38,081,761.13 = 8,114,712.47/x
  3. Step 3: Cross multiply
    25,391,145.87x = 38,081,761.13 × 8,114,712.47
  4. Step 4: Simplify right side
    25,391,145.87x = 309,022,541,893,856.88
  5. Step 5: Solve for x
    x = 309,022,541,893,856.88/25,391,145.87
  6. Step 6: Final answer
    x = 12,170,484.29

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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.