Home / 7,318,112.87-10,098,985.85-4,055,138.90

Finding the Fourth Proportional to 7,318,112.87, 10,098,985.85 and 4,055,138.90

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Solution

The fourth proportional to 7,318,112.87, 10,098,985.85 and 4,055,138.90 is: 5,596,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,112.87 : 10,098,985.85 = 4,055,138.90 : x
  2. Step 2: Convert to fraction form
    7,318,112.87/10,098,985.85 = 4,055,138.90/x
  3. Step 3: Cross multiply
    7,318,112.87x = 10,098,985.85 × 4,055,138.90
  4. Step 4: Simplify right side
    7,318,112.87x = 40,952,790,375,856.34
  5. Step 5: Solve for x
    x = 40,952,790,375,856.34/7,318,112.87
  6. Step 6: Final answer
    x = 5,596,086.19

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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.