Home / 12,375,101.80-17,080,779.72-8,456,444.38

Finding the Fourth Proportional to 12,375,101.80, 17,080,779.72 and 8,456,444.38

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Solution

The fourth proportional to 12,375,101.80, 17,080,779.72 and 8,456,444.38 is: 11,672,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,101.80 : 17,080,779.72 = 8,456,444.38 : x
  2. Step 2: Convert to fraction form
    12,375,101.80/17,080,779.72 = 8,456,444.38/x
  3. Step 3: Cross multiply
    12,375,101.80x = 17,080,779.72 × 8,456,444.38
  4. Step 4: Simplify right side
    12,375,101.80x = 144,442,663,669,211.97
  5. Step 5: Solve for x
    x = 144,442,663,669,211.97/12,375,101.80
  6. Step 6: Final answer
    x = 11,672,038.42

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1.5x scale

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.