Home / 12,249,216.20-18,379,729.20-8,647,227.20

Finding the Fourth Proportional to 12,249,216.20, 18,379,729.20 and 8,647,227.20

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Solution

The fourth proportional to 12,249,216.20, 18,379,729.20 and 8,647,227.20 is: 12,975,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,216.20 : 18,379,729.20 = 8,647,227.20 : x
  2. Step 2: Convert to fraction form
    12,249,216.20/18,379,729.20 = 8,647,227.20/x
  3. Step 3: Cross multiply
    12,249,216.20x = 18,379,729.20 × 8,647,227.20
  4. Step 4: Simplify right side
    12,249,216.20x = 158,933,694,266,874.22
  5. Step 5: Solve for x
    x = 158,933,694,266,874.22/12,249,216.20
  6. Step 6: Final answer
    x = 12,975,009.31

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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.