Home / 8,615,591.21-11,889,517.76-4,695,348.29

Finding the Fourth Proportional to 8,615,591.21, 11,889,517.76 and 4,695,348.29

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Solution

The fourth proportional to 8,615,591.21, 11,889,517.76 and 4,695,348.29 is: 6,479,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,591.21 : 11,889,517.76 = 4,695,348.29 : x
  2. Step 2: Convert to fraction form
    8,615,591.21/11,889,517.76 = 4,695,348.29/x
  3. Step 3: Cross multiply
    8,615,591.21x = 11,889,517.76 × 4,695,348.29
  4. Step 4: Simplify right side
    8,615,591.21x = 55,825,426,800,416.30
  5. Step 5: Solve for x
    x = 55,825,426,800,416.30/8,615,591.21
  6. Step 6: Final answer
    x = 6,479,581.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.