Home / 8,715,619.20-13,073,428.80-8,323,708.80

Finding the Fourth Proportional to 8,715,619.20, 13,073,428.80 and 8,323,708.80

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Solution

The fourth proportional to 8,715,619.20, 13,073,428.80 and 8,323,708.80 is: 12,485,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715,619.20 : 13,073,428.80 = 8,323,708.80 : x
  2. Step 2: Convert to fraction form
    8,715,619.20/13,073,428.80 = 8,323,708.80/x
  3. Step 3: Cross multiply
    8,715,619.20x = 13,073,428.80 × 8,323,708.80
  4. Step 4: Simplify right side
    8,715,619.20x = 108,819,414,348,733.44
  5. Step 5: Solve for x
    x = 108,819,414,348,733.44/8,715,619.20
  6. Step 6: Final answer
    x = 12,485,563.20

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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.