Home / 20,641,025.52-30,787,392.42-17,923,984.20

Finding the Fourth Proportional to 20,641,025.52, 30,787,392.42 and 17,923,984.20

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Solution

The fourth proportional to 20,641,025.52, 30,787,392.42 and 17,923,984.20 is: 26,734,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641,025.52 : 30,787,392.42 = 17,923,984.20 : x
  2. Step 2: Convert to fraction form
    20,641,025.52/30,787,392.42 = 17,923,984.20/x
  3. Step 3: Cross multiply
    20,641,025.52x = 30,787,392.42 × 17,923,984.20
  4. Step 4: Simplify right side
    20,641,025.52x = 551,832,735,295,279.75
  5. Step 5: Solve for x
    x = 551,832,735,295,279.75/20,641,025.52
  6. Step 6: Final answer
    x = 26,734,753.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.