Home / 7,131,108.12-10,693,981.20-2,581,032.72

Finding the Fourth Proportional to 7,131,108.12, 10,693,981.20 and 2,581,032.72

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Solution

The fourth proportional to 7,131,108.12, 10,693,981.20 and 2,581,032.72 is: 3,870,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,108.12 : 10,693,981.20 = 2,581,032.72 : x
  2. Step 2: Convert to fraction form
    7,131,108.12/10,693,981.20 = 2,581,032.72/x
  3. Step 3: Cross multiply
    7,131,108.12x = 10,693,981.20 × 2,581,032.72
  4. Step 4: Simplify right side
    7,131,108.12x = 27,601,515,384,264.86
  5. Step 5: Solve for x
    x = 27,601,515,384,264.86/7,131,108.12
  6. Step 6: Final answer
    x = 3,870,578.73

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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.