Home / 7,392,457.60-11,083,891.20-3,131,468.80

Finding the Fourth Proportional to 7,392,457.60, 11,083,891.20 and 3,131,468.80

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Solution

The fourth proportional to 7,392,457.60, 11,083,891.20 and 3,131,468.80 is: 4,695,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,457.60 : 11,083,891.20 = 3,131,468.80 : x
  2. Step 2: Convert to fraction form
    7,392,457.60/11,083,891.20 = 3,131,468.80/x
  3. Step 3: Cross multiply
    7,392,457.60x = 11,083,891.20 × 3,131,468.80
  4. Step 4: Simplify right side
    7,392,457.60x = 34,708,859,475,394.55
  5. Step 5: Solve for x
    x = 34,708,859,475,394.55/7,392,457.60
  6. Step 6: Final answer
    x = 4,695,171.94

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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.