Home / 12,181,729.68-18,265,511.76-4,609,279.44

Finding the Fourth Proportional to 12,181,729.68, 18,265,511.76 and 4,609,279.44

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Solution

The fourth proportional to 12,181,729.68, 18,265,511.76 and 4,609,279.44 is: 6,911,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,729.68 : 18,265,511.76 = 4,609,279.44 : x
  2. Step 2: Convert to fraction form
    12,181,729.68/18,265,511.76 = 4,609,279.44/x
  3. Step 3: Cross multiply
    12,181,729.68x = 18,265,511.76 × 4,609,279.44
  4. Step 4: Simplify right side
    12,181,729.68x = 84,190,847,816,446.23
  5. Step 5: Solve for x
    x = 84,190,847,816,446.23/12,181,729.68
  6. Step 6: Final answer
    x = 6,911,239.21

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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.