Home / 9,218,902.12-12,722,095.38-5,144,520.04

Finding the Fourth Proportional to 9,218,902.12, 12,722,095.38 and 5,144,520.04

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Solution

The fourth proportional to 9,218,902.12, 12,722,095.38 and 5,144,520.04 is: 7,099,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,902.12 : 12,722,095.38 = 5,144,520.04 : x
  2. Step 2: Convert to fraction form
    9,218,902.12/12,722,095.38 = 5,144,520.04/x
  3. Step 3: Cross multiply
    9,218,902.12x = 12,722,095.38 × 5,144,520.04
  4. Step 4: Simplify right side
    9,218,902.12x = 65,449,074,633,201.42
  5. Step 5: Solve for x
    x = 65,449,074,633,201.42/9,218,902.12
  6. Step 6: Final answer
    x = 7,099,443.49

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1.5x scale

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.