Home / 51,079,615.78-70,491,367.02-27,876,234.64

Finding the Fourth Proportional to 51,079,615.78, 70,491,367.02 and 27,876,234.64

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Solution

The fourth proportional to 51,079,615.78, 70,491,367.02 and 27,876,234.64 is: 38,470,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079,615.78 : 70,491,367.02 = 27,876,234.64 : x
  2. Step 2: Convert to fraction form
    51,079,615.78/70,491,367.02 = 27,876,234.64/x
  3. Step 3: Cross multiply
    51,079,615.78x = 70,491,367.02 × 27,876,234.64
  4. Step 4: Simplify right side
    51,079,615.78x = 1,965,033,887,143,877.50
  5. Step 5: Solve for x
    x = 1,965,033,887,143,877.50/51,079,615.78
  6. Step 6: Final answer
    x = 38,470,020.91

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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.