Home / 12,727,728.06-17,567,965.91-8,318,117.04

Finding the Fourth Proportional to 12,727,728.06, 17,567,965.91 and 8,318,117.04

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Solution

The fourth proportional to 12,727,728.06, 17,567,965.91 and 8,318,117.04 is: 11,481,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727,728.06 : 17,567,965.91 = 8,318,117.04 : x
  2. Step 2: Convert to fraction form
    12,727,728.06/17,567,965.91 = 8,318,117.04/x
  3. Step 3: Cross multiply
    12,727,728.06x = 17,567,965.91 × 8,318,117.04
  4. Step 4: Simplify right side
    12,727,728.06x = 146,132,396,552,519.53
  5. Step 5: Solve for x
    x = 146,132,396,552,519.53/12,727,728.06
  6. Step 6: Final answer
    x = 11,481,420.40

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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.