Home / 14,213,511.22-19,614,645.52-7,687,140.70

Finding the Fourth Proportional to 14,213,511.22, 19,614,645.52 and 7,687,140.70

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Solution

The fourth proportional to 14,213,511.22, 19,614,645.52 and 7,687,140.70 is: 10,608,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,511.22 : 19,614,645.52 = 7,687,140.70 : x
  2. Step 2: Convert to fraction form
    14,213,511.22/19,614,645.52 = 7,687,140.70/x
  3. Step 3: Cross multiply
    14,213,511.22x = 19,614,645.52 × 7,687,140.70
  4. Step 4: Simplify right side
    14,213,511.22x = 150,780,539,806,221.44
  5. Step 5: Solve for x
    x = 150,780,539,806,221.44/14,213,511.22
  6. Step 6: Final answer
    x = 10,608,254.18

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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.