Home / 12,693,365.30-17,516,864.85-6,892,158.26

Finding the Fourth Proportional to 12,693,365.30, 17,516,864.85 and 6,892,158.26

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Solution

The fourth proportional to 12,693,365.30, 17,516,864.85 and 6,892,158.26 is: 9,511,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,365.30 : 17,516,864.85 = 6,892,158.26 : x
  2. Step 2: Convert to fraction form
    12,693,365.30/17,516,864.85 = 6,892,158.26/x
  3. Step 3: Cross multiply
    12,693,365.30x = 17,516,864.85 × 6,892,158.26
  4. Step 4: Simplify right side
    12,693,365.30x = 120,729,004,765,231.17
  5. Step 5: Solve for x
    x = 120,729,004,765,231.17/12,693,365.30
  6. Step 6: Final answer
    x = 9,511,189.66

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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.