Home / 20,304,374.68-30,454,947.42-8,165,280.52

Finding the Fourth Proportional to 20,304,374.68, 30,454,947.42 and 8,165,280.52

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Solution

The fourth proportional to 20,304,374.68, 30,454,947.42 and 8,165,280.52 is: 12,247,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,374.68 : 30,454,947.42 = 8,165,280.52 : x
  2. Step 2: Convert to fraction form
    20,304,374.68/30,454,947.42 = 8,165,280.52/x
  3. Step 3: Cross multiply
    20,304,374.68x = 30,454,947.42 × 8,165,280.52
  4. Step 4: Simplify right side
    20,304,374.68x = 248,673,188,906,150.25
  5. Step 5: Solve for x
    x = 248,673,188,906,150.25/20,304,374.68
  6. Step 6: Final answer
    x = 12,247,271.48

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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.