Home / 20,025,364.38-30,039,209.63-7,729,397.93

Finding the Fourth Proportional to 20,025,364.38, 30,039,209.63 and 7,729,397.93

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Solution

The fourth proportional to 20,025,364.38, 30,039,209.63 and 7,729,397.93 is: 11,594,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,364.38 : 30,039,209.63 = 7,729,397.93 : x
  2. Step 2: Convert to fraction form
    20,025,364.38/30,039,209.63 = 7,729,397.93/x
  3. Step 3: Cross multiply
    20,025,364.38x = 30,039,209.63 × 7,729,397.93
  4. Step 4: Simplify right side
    20,025,364.38x = 232,185,004,544,115.03
  5. Step 5: Solve for x
    x = 232,185,004,544,115.03/20,025,364.38
  6. Step 6: Final answer
    x = 11,594,545.80

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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.