Home / 20,736,195.60-31,093,234.20-8,755,395.60

Finding the Fourth Proportional to 20,736,195.60, 31,093,234.20 and 8,755,395.60

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Solution

The fourth proportional to 20,736,195.60, 31,093,234.20 and 8,755,395.60 is: 13,128,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,195.60 : 31,093,234.20 = 8,755,395.60 : x
  2. Step 2: Convert to fraction form
    20,736,195.60/31,093,234.20 = 8,755,395.60/x
  3. Step 3: Cross multiply
    20,736,195.60x = 31,093,234.20 × 8,755,395.60
  4. Step 4: Simplify right side
    20,736,195.60x = 272,233,565,904,449.50
  5. Step 5: Solve for x
    x = 272,233,565,904,449.50/20,736,195.60
  6. Step 6: Final answer
    x = 13,128,423.90

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1.5x scale

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.