Home / 13,626,877.52-20,445,769.19-5,540,474.72

Finding the Fourth Proportional to 13,626,877.52, 20,445,769.19 and 5,540,474.72

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Solution

The fourth proportional to 13,626,877.52, 20,445,769.19 and 5,540,474.72 is: 8,312,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,877.52 : 20,445,769.19 = 5,540,474.72 : x
  2. Step 2: Convert to fraction form
    13,626,877.52/20,445,769.19 = 5,540,474.72/x
  3. Step 3: Cross multiply
    13,626,877.52x = 20,445,769.19 × 5,540,474.72
  4. Step 4: Simplify right side
    13,626,877.52x = 113,279,267,328,149.88
  5. Step 5: Solve for x
    x = 113,279,267,328,149.88/13,626,877.52
  6. Step 6: Final answer
    x = 8,312,929.15

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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.