Home / 12,656,909.22-18,986,249.57-6,265,445.46

Finding the Fourth Proportional to 12,656,909.22, 18,986,249.57 and 6,265,445.46

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Solution

The fourth proportional to 12,656,909.22, 18,986,249.57 and 6,265,445.46 is: 9,398,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,909.22 : 18,986,249.57 = 6,265,445.46 : x
  2. Step 2: Convert to fraction form
    12,656,909.22/18,986,249.57 = 6,265,445.46/x
  3. Step 3: Cross multiply
    12,656,909.22x = 18,986,249.57 × 6,265,445.46
  4. Step 4: Simplify right side
    12,656,909.22x = 118,957,311,139,456.23
  5. Step 5: Solve for x
    x = 118,957,311,139,456.23/12,656,909.22
  6. Step 6: Final answer
    x = 9,398,606.65

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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.