Home / 7,255,806.60-10,887,209.10-5,121,294.60

Finding the Fourth Proportional to 7,255,806.60, 10,887,209.10 and 5,121,294.60

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Solution

The fourth proportional to 7,255,806.60, 10,887,209.10 and 5,121,294.60 is: 7,684,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,806.60 : 10,887,209.10 = 5,121,294.60 : x
  2. Step 2: Convert to fraction form
    7,255,806.60/10,887,209.10 = 5,121,294.60/x
  3. Step 3: Cross multiply
    7,255,806.60x = 10,887,209.10 × 5,121,294.60
  4. Step 4: Simplify right side
    7,255,806.60x = 55,756,605,172,900.85
  5. Step 5: Solve for x
    x = 55,756,605,172,900.85/7,255,806.60
  6. Step 6: Final answer
    x = 7,684,411.71

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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.