Home / 14,766,685.20-20,378,029.92-8,151,278.16

Finding the Fourth Proportional to 14,766,685.20, 20,378,029.92 and 8,151,278.16

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Solution

The fourth proportional to 14,766,685.20, 20,378,029.92 and 8,151,278.16 is: 11,248,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,685.20 : 20,378,029.92 = 8,151,278.16 : x
  2. Step 2: Convert to fraction form
    14,766,685.20/20,378,029.92 = 8,151,278.16/x
  3. Step 3: Cross multiply
    14,766,685.20x = 20,378,029.92 × 8,151,278.16
  4. Step 4: Simplify right side
    14,766,685.20x = 166,106,990,230,722.56
  5. Step 5: Solve for x
    x = 166,106,990,230,722.56/14,766,685.20
  6. Step 6: Final answer
    x = 11,248,766.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.