Home / 12,538,083.10-18,807,124.65-8,059,107.10

Finding the Fourth Proportional to 12,538,083.10, 18,807,124.65 and 8,059,107.10

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Solution

The fourth proportional to 12,538,083.10, 18,807,124.65 and 8,059,107.10 is: 12,088,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,083.10 : 18,807,124.65 = 8,059,107.10 : x
  2. Step 2: Convert to fraction form
    12,538,083.10/18,807,124.65 = 8,059,107.10/x
  3. Step 3: Cross multiply
    12,538,083.10x = 18,807,124.65 × 8,059,107.10
  4. Step 4: Simplify right side
    12,538,083.10x = 151,568,631,797,400
  5. Step 5: Solve for x
    x = 151,568,631,797,400/12,538,083.10
  6. Step 6: Final answer
    x = 12,088,660.65

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Similar ratio
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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.