Home / 12,296,727.60-18,445,091.40-8,517,591.60

Finding the Fourth Proportional to 12,296,727.60, 18,445,091.40 and 8,517,591.60

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Solution

The fourth proportional to 12,296,727.60, 18,445,091.40 and 8,517,591.60 is: 12,776,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,727.60 : 18,445,091.40 = 8,517,591.60 : x
  2. Step 2: Convert to fraction form
    12,296,727.60/18,445,091.40 = 8,517,591.60/x
  3. Step 3: Cross multiply
    12,296,727.60x = 18,445,091.40 × 8,517,591.60
  4. Step 4: Simplify right side
    12,296,727.60x = 157,107,755,569,872.22
  5. Step 5: Solve for x
    x = 157,107,755,569,872.22/12,296,727.60
  6. Step 6: Final answer
    x = 12,776,387.40

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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.