Home / 12,235,528.80-18,336,704.40-8,180,488.80

Finding the Fourth Proportional to 12,235,528.80, 18,336,704.40 and 8,180,488.80

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Solution

The fourth proportional to 12,235,528.80, 18,336,704.40 and 8,180,488.80 is: 12,259,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,528.80 : 18,336,704.40 = 8,180,488.80 : x
  2. Step 2: Convert to fraction form
    12,235,528.80/18,336,704.40 = 8,180,488.80/x
  3. Step 3: Cross multiply
    12,235,528.80x = 18,336,704.40 × 8,180,488.80
  4. Step 4: Simplify right side
    12,235,528.80x = 150,003,204,973,110.72
  5. Step 5: Solve for x
    x = 150,003,204,973,110.72/12,235,528.80
  6. Step 6: Final answer
    x = 12,259,642.18

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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.