Home / 12,693,575.20-17,516,655.48-6,892,231.52

Finding the Fourth Proportional to 12,693,575.20, 17,516,655.48 and 6,892,231.52

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Solution

The fourth proportional to 12,693,575.20, 17,516,655.48 and 6,892,231.52 is: 9,511,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,575.20 : 17,516,655.48 = 6,892,231.52 : x
  2. Step 2: Convert to fraction form
    12,693,575.20/17,516,655.48 = 6,892,231.52/x
  3. Step 3: Cross multiply
    12,693,575.20x = 17,516,655.48 × 6,892,231.52
  4. Step 4: Simplify right side
    12,693,575.20x = 120,728,845,024,236.72
  5. Step 5: Solve for x
    x = 120,728,845,024,236.72/12,693,575.20
  6. Step 6: Final answer
    x = 9,511,019.80

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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.