Home / 17,715,138.70-26,572,708.05-13,432,117.90

Finding the Fourth Proportional to 17,715,138.70, 26,572,708.05 and 13,432,117.90

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Solution

The fourth proportional to 17,715,138.70, 26,572,708.05 and 13,432,117.90 is: 20,148,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715,138.70 : 26,572,708.05 = 13,432,117.90 : x
  2. Step 2: Convert to fraction form
    17,715,138.70/26,572,708.05 = 13,432,117.90/x
  3. Step 3: Cross multiply
    17,715,138.70x = 26,572,708.05 × 13,432,117.90
  4. Step 4: Simplify right side
    17,715,138.70x = 356,927,747,449,879.12
  5. Step 5: Solve for x
    x = 356,927,747,449,879.12/17,715,138.70
  6. Step 6: Final answer
    x = 20,148,176.85

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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.