Home / 20,200,909.90-30,305,620.50-6,552,990.61

Finding the Fourth Proportional to 20,200,909.90, 30,305,620.50 and 6,552,990.61

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Solution

The fourth proportional to 20,200,909.90, 30,305,620.50 and 6,552,990.61 is: 9,830,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,909.90 : 30,305,620.50 = 6,552,990.61 : x
  2. Step 2: Convert to fraction form
    20,200,909.90/30,305,620.50 = 6,552,990.61/x
  3. Step 3: Cross multiply
    20,200,909.90x = 30,305,620.50 × 6,552,990.61
  4. Step 4: Simplify right side
    20,200,909.90x = 198,592,446,679,473.66
  5. Step 5: Solve for x
    x = 198,592,446,679,473.66/20,200,909.90
  6. Step 6: Final answer
    x = 9,830,866.42

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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.