Home / 12,180,344.38-16,807,519.11-6,746,475.58

Finding the Fourth Proportional to 12,180,344.38, 16,807,519.11 and 6,746,475.58

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Solution

The fourth proportional to 12,180,344.38, 16,807,519.11 and 6,746,475.58 is: 9,309,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,344.38 : 16,807,519.11 = 6,746,475.58 : x
  2. Step 2: Convert to fraction form
    12,180,344.38/16,807,519.11 = 6,746,475.58/x
  3. Step 3: Cross multiply
    12,180,344.38x = 16,807,519.11 × 6,746,475.58
  4. Step 4: Simplify right side
    12,180,344.38x = 113,391,517,235,998.33
  5. Step 5: Solve for x
    x = 113,391,517,235,998.33/12,180,344.38
  6. Step 6: Final answer
    x = 9,309,385.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.