Home / 20,025,230.40-30,039,007.92-7,729,261.92

Finding the Fourth Proportional to 20,025,230.40, 30,039,007.92 and 7,729,261.92

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Solution

The fourth proportional to 20,025,230.40, 30,039,007.92 and 7,729,261.92 is: 11,594,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,230.40 : 30,039,007.92 = 7,729,261.92 : x
  2. Step 2: Convert to fraction form
    20,025,230.40/30,039,007.92 = 7,729,261.92/x
  3. Step 3: Cross multiply
    20,025,230.40x = 30,039,007.92 × 7,729,261.92
  4. Step 4: Simplify right side
    20,025,230.40x = 232,179,360,030,634.41
  5. Step 5: Solve for x
    x = 232,179,360,030,634.41/20,025,230.40
  6. Step 6: Final answer
    x = 11,594,341.51

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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.