Home / 27,649,221.40-41,473,832.10-8,479,826.20

Finding the Fourth Proportional to 27,649,221.40, 41,473,832.10 and 8,479,826.20

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Solution

The fourth proportional to 27,649,221.40, 41,473,832.10 and 8,479,826.20 is: 12,719,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649,221.40 : 41,473,832.10 = 8,479,826.20 : x
  2. Step 2: Convert to fraction form
    27,649,221.40/41,473,832.10 = 8,479,826.20/x
  3. Step 3: Cross multiply
    27,649,221.40x = 41,473,832.10 × 8,479,826.20
  4. Step 4: Simplify right side
    27,649,221.40x = 351,690,888,055,981
  5. Step 5: Solve for x
    x = 351,690,888,055,981/27,649,221.40
  6. Step 6: Final answer
    x = 12,719,739.30

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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.