Home / 20,025,377.60-30,039,229.37-7,729,411.15

Finding the Fourth Proportional to 20,025,377.60, 30,039,229.37 and 7,729,411.15

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Solution

The fourth proportional to 20,025,377.60, 30,039,229.37 and 7,729,411.15 is: 11,594,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,377.60 : 30,039,229.37 = 7,729,411.15 : x
  2. Step 2: Convert to fraction form
    20,025,377.60/30,039,229.37 = 7,729,411.15/x
  3. Step 3: Cross multiply
    20,025,377.60x = 30,039,229.37 × 7,729,411.15
  4. Step 4: Simplify right side
    20,025,377.60x = 232,185,554,241,042.25
  5. Step 5: Solve for x
    x = 232,185,554,241,042.25/20,025,377.60
  6. Step 6: Final answer
    x = 11,594,565.60

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1.5x scale

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.