Home / 9,981,909.60-13,775,076.77-5,398,230.98

Finding the Fourth Proportional to 9,981,909.60, 13,775,076.77 and 5,398,230.98

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Solution

The fourth proportional to 9,981,909.60, 13,775,076.77 and 5,398,230.98 is: 7,449,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,909.60 : 13,775,076.77 = 5,398,230.98 : x
  2. Step 2: Convert to fraction form
    9,981,909.60/13,775,076.77 = 5,398,230.98/x
  3. Step 3: Cross multiply
    9,981,909.60x = 13,775,076.77 × 5,398,230.98
  4. Step 4: Simplify right side
    9,981,909.60x = 74,361,046,171,692.34
  5. Step 5: Solve for x
    x = 74,361,046,171,692.34/9,981,909.60
  6. Step 6: Final answer
    x = 7,449,581.21

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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.