Home / 12,693,112.68-17,516,799.92-6,892,138.92

Finding the Fourth Proportional to 12,693,112.68, 17,516,799.92 and 6,892,138.92

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Solution

The fourth proportional to 12,693,112.68, 17,516,799.92 and 6,892,138.92 is: 9,511,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,112.68 : 17,516,799.92 = 6,892,138.92 : x
  2. Step 2: Convert to fraction form
    12,693,112.68/17,516,799.92 = 6,892,138.92/x
  3. Step 3: Cross multiply
    12,693,112.68x = 17,516,799.92 × 6,892,138.92
  4. Step 4: Simplify right side
    12,693,112.68x = 120,728,218,482,484.89
  5. Step 5: Solve for x
    x = 120,728,218,482,484.89/12,693,112.68
  6. Step 6: Final answer
    x = 9,511,317.01

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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.