Home / 15,361,605.38-21,199,659.45-8,835,236.66

Finding the Fourth Proportional to 15,361,605.38, 21,199,659.45 and 8,835,236.66

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Solution

The fourth proportional to 15,361,605.38, 21,199,659.45 and 8,835,236.66 is: 12,192,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361,605.38 : 21,199,659.45 = 8,835,236.66 : x
  2. Step 2: Convert to fraction form
    15,361,605.38/21,199,659.45 = 8,835,236.66/x
  3. Step 3: Cross multiply
    15,361,605.38x = 21,199,659.45 × 8,835,236.66
  4. Step 4: Simplify right side
    15,361,605.38x = 187,304,008,352,155.44
  5. Step 5: Solve for x
    x = 187,304,008,352,155.44/15,361,605.38
  6. Step 6: Final answer
    x = 12,192,997.00

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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.