Home / 13,943,959.20-20,957,929.20-12,096,381.60

Finding the Fourth Proportional to 13,943,959.20, 20,957,929.20 and 12,096,381.60

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Solution

The fourth proportional to 13,943,959.20, 20,957,929.20 and 12,096,381.60 is: 18,180,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,959.20 : 20,957,929.20 = 12,096,381.60 : x
  2. Step 2: Convert to fraction form
    13,943,959.20/20,957,929.20 = 12,096,381.60/x
  3. Step 3: Cross multiply
    13,943,959.20x = 20,957,929.20 × 12,096,381.60
  4. Step 4: Simplify right side
    13,943,959.20x = 253,515,109,148,982.72
  5. Step 5: Solve for x
    x = 253,515,109,148,982.72/13,943,959.20
  6. Step 6: Final answer
    x = 18,180,999.06

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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.