Home / 31,522,773.20-47,280,660.60-8,805,966.80

Finding the Fourth Proportional to 31,522,773.20, 47,280,660.60 and 8,805,966.80

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Solution

The fourth proportional to 31,522,773.20, 47,280,660.60 and 8,805,966.80 is: 13,207,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522,773.20 : 47,280,660.60 = 8,805,966.80 : x
  2. Step 2: Convert to fraction form
    31,522,773.20/47,280,660.60 = 8,805,966.80/x
  3. Step 3: Cross multiply
    31,522,773.20x = 47,280,660.60 × 8,805,966.80
  4. Step 4: Simplify right side
    31,522,773.20x = 416,351,927,525,668.12
  5. Step 5: Solve for x
    x = 416,351,927,525,668.12/31,522,773.20
  6. Step 6: Final answer
    x = 13,207,972.69

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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.