Home / 13,912,212.60-20,924,306.10-12,456,545.40

Finding the Fourth Proportional to 13,912,212.60, 20,924,306.10 and 12,456,545.40

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Solution

The fourth proportional to 13,912,212.60, 20,924,306.10 and 12,456,545.40 is: 18,734,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912,212.60 : 20,924,306.10 = 12,456,545.40 : x
  2. Step 2: Convert to fraction form
    13,912,212.60/20,924,306.10 = 12,456,545.40/x
  3. Step 3: Cross multiply
    13,912,212.60x = 20,924,306.10 × 12,456,545.40
  4. Step 4: Simplify right side
    13,912,212.60x = 260,644,568,898,146.97
  5. Step 5: Solve for x
    x = 260,644,568,898,146.97/13,912,212.60
  6. Step 6: Final answer
    x = 18,734,947.23

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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.