Home / 18,403,507.50-25,398,729.87-11,063,716.80

Finding the Fourth Proportional to 18,403,507.50, 25,398,729.87 and 11,063,716.80

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Solution

The fourth proportional to 18,403,507.50, 25,398,729.87 and 11,063,716.80 is: 15,269,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,507.50 : 25,398,729.87 = 11,063,716.80 : x
  2. Step 2: Convert to fraction form
    18,403,507.50/25,398,729.87 = 11,063,716.80/x
  3. Step 3: Cross multiply
    18,403,507.50x = 25,398,729.87 × 11,063,716.80
  4. Step 4: Simplify right side
    18,403,507.50x = 281,004,354,361,380.84
  5. Step 5: Solve for x
    x = 281,004,354,361,380.84/18,403,507.50
  6. Step 6: Final answer
    x = 15,269,065.11

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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.