Home / 13,915,998.30-20,873,997.45-8,814,164.70

Finding the Fourth Proportional to 13,915,998.30, 20,873,997.45 and 8,814,164.70

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Solution

The fourth proportional to 13,915,998.30, 20,873,997.45 and 8,814,164.70 is: 13,221,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,998.30 : 20,873,997.45 = 8,814,164.70 : x
  2. Step 2: Convert to fraction form
    13,915,998.30/20,873,997.45 = 8,814,164.70/x
  3. Step 3: Cross multiply
    13,915,998.30x = 20,873,997.45 × 8,814,164.70
  4. Step 4: Simplify right side
    13,915,998.30x = 183,986,851,471,680
  5. Step 5: Solve for x
    x = 183,986,851,471,680/13,915,998.30
  6. Step 6: Final answer
    x = 13,221,247.05

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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.