Home / 20,510,760.20-28,304,619.74-11,218,597.24

Finding the Fourth Proportional to 20,510,760.20, 28,304,619.74 and 11,218,597.24

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Solution

The fourth proportional to 20,510,760.20, 28,304,619.74 and 11,218,597.24 is: 15,481,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,760.20 : 28,304,619.74 = 11,218,597.24 : x
  2. Step 2: Convert to fraction form
    20,510,760.20/28,304,619.74 = 11,218,597.24/x
  3. Step 3: Cross multiply
    20,510,760.20x = 28,304,619.74 × 11,218,597.24
  4. Step 4: Simplify right side
    20,510,760.20x = 317,538,128,894,413.50
  5. Step 5: Solve for x
    x = 317,538,128,894,413.50/20,510,760.20
  6. Step 6: Final answer
    x = 15,481,538.75

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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.