Home / 10,079,081.20-15,118,621.80-7,244,729.20

Finding the Fourth Proportional to 10,079,081.20, 15,118,621.80 and 7,244,729.20

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Solution

The fourth proportional to 10,079,081.20, 15,118,621.80 and 7,244,729.20 is: 10,867,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,081.20 : 15,118,621.80 = 7,244,729.20 : x
  2. Step 2: Convert to fraction form
    10,079,081.20/15,118,621.80 = 7,244,729.20/x
  3. Step 3: Cross multiply
    10,079,081.20x = 15,118,621.80 × 7,244,729.20
  4. Step 4: Simplify right side
    10,079,081.20x = 109,530,320,818,216.56
  5. Step 5: Solve for x
    x = 109,530,320,818,216.56/10,079,081.20
  6. Step 6: Final answer
    x = 10,867,093.80

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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.