Home / 25,895,765.20-38,843,647.80-16,279,963.60

Finding the Fourth Proportional to 25,895,765.20, 38,843,647.80 and 16,279,963.60

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Solution

The fourth proportional to 25,895,765.20, 38,843,647.80 and 16,279,963.60 is: 24,419,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895,765.20 : 38,843,647.80 = 16,279,963.60 : x
  2. Step 2: Convert to fraction form
    25,895,765.20/38,843,647.80 = 16,279,963.60/x
  3. Step 3: Cross multiply
    25,895,765.20x = 38,843,647.80 × 16,279,963.60
  4. Step 4: Simplify right side
    25,895,765.20x = 632,373,172,275,220
  5. Step 5: Solve for x
    x = 632,373,172,275,220/25,895,765.20
  6. Step 6: Final answer
    x = 24,419,945.40

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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.