Home / 14,820,540.28-20,451,905.50-8,205,422.97

Finding the Fourth Proportional to 14,820,540.28, 20,451,905.50 and 8,205,422.97

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Solution

The fourth proportional to 14,820,540.28, 20,451,905.50 and 8,205,422.97 is: 11,323,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820,540.28 : 20,451,905.50 = 8,205,422.97 : x
  2. Step 2: Convert to fraction form
    14,820,540.28/20,451,905.50 = 8,205,422.97/x
  3. Step 3: Cross multiply
    14,820,540.28x = 20,451,905.50 × 8,205,422.97
  4. Step 4: Simplify right side
    14,820,540.28x = 167,816,535,169,969.34
  5. Step 5: Solve for x
    x = 167,816,535,169,969.34/14,820,540.28
  6. Step 6: Final answer
    x = 11,323,240.04

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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.