Home / 9,261,742.60-13,887,948.30-5,476,385.80

Finding the Fourth Proportional to 9,261,742.60, 13,887,948.30 and 5,476,385.80

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Solution

The fourth proportional to 9,261,742.60, 13,887,948.30 and 5,476,385.80 is: 8,211,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,742.60 : 13,887,948.30 = 5,476,385.80 : x
  2. Step 2: Convert to fraction form
    9,261,742.60/13,887,948.30 = 5,476,385.80/x
  3. Step 3: Cross multiply
    9,261,742.60x = 13,887,948.30 × 5,476,385.80
  4. Step 4: Simplify right side
    9,261,742.60x = 76,055,762,861,254.14
  5. Step 5: Solve for x
    x = 76,055,762,861,254.14/9,261,742.60
  6. Step 6: Final answer
    x = 8,211,819.97

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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.