Home / 8,260,545.38-11,401,192.68-5,278,342.46

Finding the Fourth Proportional to 8,260,545.38, 11,401,192.68 and 5,278,342.46

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Solution

The fourth proportional to 8,260,545.38, 11,401,192.68 and 5,278,342.46 is: 7,285,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,545.38 : 11,401,192.68 = 5,278,342.46 : x
  2. Step 2: Convert to fraction form
    8,260,545.38/11,401,192.68 = 5,278,342.46/x
  3. Step 3: Cross multiply
    8,260,545.38x = 11,401,192.68 × 5,278,342.46
  4. Step 4: Simplify right side
    8,260,545.38x = 60,179,399,417,485.19
  5. Step 5: Solve for x
    x = 60,179,399,417,485.19/8,260,545.38
  6. Step 6: Final answer
    x = 7,285,160.56

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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.