Home / 14,077,105.82-21,115,729.02-4,979,211.80

Finding the Fourth Proportional to 14,077,105.82, 21,115,729.02 and 4,979,211.80

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Solution

The fourth proportional to 14,077,105.82, 21,115,729.02 and 4,979,211.80 is: 7,468,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,105.82 : 21,115,729.02 = 4,979,211.80 : x
  2. Step 2: Convert to fraction form
    14,077,105.82/21,115,729.02 = 4,979,211.80/x
  3. Step 3: Cross multiply
    14,077,105.82x = 21,115,729.02 × 4,979,211.80
  4. Step 4: Simplify right side
    14,077,105.82x = 105,139,687,101,986.44
  5. Step 5: Solve for x
    x = 105,139,687,101,986.44/14,077,105.82
  6. Step 6: Final answer
    x = 7,468,842.56

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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.