Home / 7,522,998.12-10,382,383.98-4,260,387.78

Finding the Fourth Proportional to 7,522,998.12, 10,382,383.98 and 4,260,387.78

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Solution

The fourth proportional to 7,522,998.12, 10,382,383.98 and 4,260,387.78 is: 5,879,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522,998.12 : 10,382,383.98 = 4,260,387.78 : x
  2. Step 2: Convert to fraction form
    7,522,998.12/10,382,383.98 = 4,260,387.78/x
  3. Step 3: Cross multiply
    7,522,998.12x = 10,382,383.98 × 4,260,387.78
  4. Step 4: Simplify right side
    7,522,998.12x = 44,232,981,835,659.77
  5. Step 5: Solve for x
    x = 44,232,981,835,659.77/7,522,998.12
  6. Step 6: Final answer
    x = 5,879,701.30

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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.