Home / 20,519,405.38-30,758,810.55-9,717,724.90

Finding the Fourth Proportional to 20,519,405.38, 30,758,810.55 and 9,717,724.90

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Solution

The fourth proportional to 20,519,405.38, 30,758,810.55 and 9,717,724.90 is: 14,566,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519,405.38 : 30,758,810.55 = 9,717,724.90 : x
  2. Step 2: Convert to fraction form
    20,519,405.38/30,758,810.55 = 9,717,724.90/x
  3. Step 3: Cross multiply
    20,519,405.38x = 30,758,810.55 × 9,717,724.90
  4. Step 4: Simplify right side
    20,519,405.38x = 298,905,659,176,117.69
  5. Step 5: Solve for x
    x = 298,905,659,176,117.69/20,519,405.38
  6. Step 6: Final answer
    x = 14,566,974.71

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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.