Home / 20,522,517.26-30,722,403.81-12,410,943.98

Finding the Fourth Proportional to 20,522,517.26, 30,722,403.81 and 12,410,943.98

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Solution

The fourth proportional to 20,522,517.26, 30,722,403.81 and 12,410,943.98 is: 18,579,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,517.26 : 30,722,403.81 = 12,410,943.98 : x
  2. Step 2: Convert to fraction form
    20,522,517.26/30,722,403.81 = 12,410,943.98/x
  3. Step 3: Cross multiply
    20,522,517.26x = 30,722,403.81 × 12,410,943.98
  4. Step 4: Simplify right side
    20,522,517.26x = 381,294,032,616,848.56
  5. Step 5: Solve for x
    x = 381,294,032,616,848.56/20,522,517.26
  6. Step 6: Final answer
    x = 18,579,301.35

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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.