Home / 25,399,642.56-38,104,712.80-8,361,337.92

Finding the Fourth Proportional to 25,399,642.56, 38,104,712.80 and 8,361,337.92

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Solution

The fourth proportional to 25,399,642.56, 38,104,712.80 and 8,361,337.92 is: 12,543,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399,642.56 : 38,104,712.80 = 8,361,337.92 : x
  2. Step 2: Convert to fraction form
    25,399,642.56/38,104,712.80 = 8,361,337.92/x
  3. Step 3: Cross multiply
    25,399,642.56x = 38,104,712.80 × 8,361,337.92
  4. Step 4: Simplify right side
    25,399,642.56x = 318,606,380,065,349.38
  5. Step 5: Solve for x
    x = 318,606,380,065,349.38/25,399,642.56
  6. Step 6: Final answer
    x = 12,543,734.79

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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.