Home / 7,381,144.80-11,071,717.20-6,707,986.20

Finding the Fourth Proportional to 7,381,144.80, 11,071,717.20 and 6,707,986.20

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Solution

The fourth proportional to 7,381,144.80, 11,071,717.20 and 6,707,986.20 is: 10,061,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,144.80 : 11,071,717.20 = 6,707,986.20 : x
  2. Step 2: Convert to fraction form
    7,381,144.80/11,071,717.20 = 6,707,986.20/x
  3. Step 3: Cross multiply
    7,381,144.80x = 11,071,717.20 × 6,707,986.20
  4. Step 4: Simplify right side
    7,381,144.80x = 74,268,926,187,902.64
  5. Step 5: Solve for x
    x = 74,268,926,187,902.64/7,381,144.80
  6. Step 6: Final answer
    x = 10,061,979.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.