Home / 25,870,381.92-35,702,490.96-18,132,600.96

Finding the Fourth Proportional to 25,870,381.92, 35,702,490.96 and 18,132,600.96

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Solution

The fourth proportional to 25,870,381.92, 35,702,490.96 and 18,132,600.96 is: 25,023,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870,381.92 : 35,702,490.96 = 18,132,600.96 : x
  2. Step 2: Convert to fraction form
    25,870,381.92/35,702,490.96 = 18,132,600.96/x
  3. Step 3: Cross multiply
    25,870,381.92x = 35,702,490.96 × 18,132,600.96
  4. Step 4: Simplify right side
    25,870,381.92x = 647,379,021,855,687.38
  5. Step 5: Solve for x
    x = 647,379,021,855,687.38/25,870,381.92
  6. Step 6: Final answer
    x = 25,023,945.29

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1.5x scale

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.