Home / 25,486,321.20-38,166,496.20-16,920,279.60

Finding the Fourth Proportional to 25,486,321.20, 38,166,496.20 and 16,920,279.60

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Solution

The fourth proportional to 25,486,321.20, 38,166,496.20 and 16,920,279.60 is: 25,338,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486,321.20 : 38,166,496.20 = 16,920,279.60 : x
  2. Step 2: Convert to fraction form
    25,486,321.20/38,166,496.20 = 16,920,279.60/x
  3. Step 3: Cross multiply
    25,486,321.20x = 38,166,496.20 × 16,920,279.60
  4. Step 4: Simplify right side
    25,486,321.20x = 645,787,787,056,337.62
  5. Step 5: Solve for x
    x = 645,787,787,056,337.62/25,486,321.20
  6. Step 6: Final answer
    x = 25,338,603.48

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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.