Home / 13,817,939.60-20,695,416.60-8,149,235.60

Finding the Fourth Proportional to 13,817,939.60, 20,695,416.60 and 8,149,235.60

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Solution

The fourth proportional to 13,817,939.60, 20,695,416.60 and 8,149,235.60 is: 12,205,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817,939.60 : 20,695,416.60 = 8,149,235.60 : x
  2. Step 2: Convert to fraction form
    13,817,939.60/20,695,416.60 = 8,149,235.60/x
  3. Step 3: Cross multiply
    13,817,939.60x = 20,695,416.60 × 8,149,235.60
  4. Step 4: Simplify right side
    13,817,939.60x = 168,651,825,713,550.97
  5. Step 5: Solve for x
    x = 168,651,825,713,550.97/13,817,939.60
  6. Step 6: Final answer
    x = 12,205,280.28

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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.