Home / 7,320,761.60-10,981,142.40-3,541,625.60

Finding the Fourth Proportional to 7,320,761.60, 10,981,142.40 and 3,541,625.60

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Solution

The fourth proportional to 7,320,761.60, 10,981,142.40 and 3,541,625.60 is: 5,312,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,761.60 : 10,981,142.40 = 3,541,625.60 : x
  2. Step 2: Convert to fraction form
    7,320,761.60/10,981,142.40 = 3,541,625.60/x
  3. Step 3: Cross multiply
    7,320,761.60x = 10,981,142.40 × 3,541,625.60
  4. Step 4: Simplify right side
    7,320,761.60x = 38,891,095,041,085.45
  5. Step 5: Solve for x
    x = 38,891,095,041,085.45/7,320,761.60
  6. Step 6: Final answer
    x = 5,312,438.40

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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.