Home / 25,140,105.20-37,691,725.80-9,986,543.60

Finding the Fourth Proportional to 25,140,105.20, 37,691,725.80 and 9,986,543.60

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Solution

The fourth proportional to 25,140,105.20, 37,691,725.80 and 9,986,543.60 is: 14,972,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140,105.20 : 37,691,725.80 = 9,986,543.60 : x
  2. Step 2: Convert to fraction form
    25,140,105.20/37,691,725.80 = 9,986,543.60/x
  3. Step 3: Cross multiply
    25,140,105.20x = 37,691,725.80 × 9,986,543.60
  4. Step 4: Simplify right side
    25,140,105.20x = 376,410,063,060,944.81
  5. Step 5: Solve for x
    x = 376,410,063,060,944.81/25,140,105.20
  6. Step 6: Final answer
    x = 14,972,493.55

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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.