Home / 9,187,873.38-12,679,049.61-5,113,404.90

Finding the Fourth Proportional to 9,187,873.38, 12,679,049.61 and 5,113,404.90

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Solution

The fourth proportional to 9,187,873.38, 12,679,049.61 and 5,113,404.90 is: 7,056,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,873.38 : 12,679,049.61 = 5,113,404.90 : x
  2. Step 2: Convert to fraction form
    9,187,873.38/12,679,049.61 = 5,113,404.90/x
  3. Step 3: Cross multiply
    9,187,873.38x = 12,679,049.61 × 5,113,404.90
  4. Step 4: Simplify right side
    9,187,873.38x = 64,833,114,403,117.09
  5. Step 5: Solve for x
    x = 64,833,114,403,117.09/9,187,873.38
  6. Step 6: Final answer
    x = 7,056,378.74

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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.