Home / 16,198,657-22,354,613.22-8,955,779.56

Finding the Fourth Proportional to 16,198,657, 22,354,613.22 and 8,955,779.56

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Solution

The fourth proportional to 16,198,657, 22,354,613.22 and 8,955,779.56 is: 12,359,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198,657 : 22,354,613.22 = 8,955,779.56 : x
  2. Step 2: Convert to fraction form
    16,198,657/22,354,613.22 = 8,955,779.56/x
  3. Step 3: Cross multiply
    16,198,657x = 22,354,613.22 × 8,955,779.56
  4. Step 4: Simplify right side
    16,198,657x = 200,202,988,147,381.78
  5. Step 5: Solve for x
    x = 200,202,988,147,381.78/16,198,657
  6. Step 6: Final answer
    x = 12,359,233.74

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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.