Home / 7,482,169.22-10,324,516.10-4,218,789.47

Finding the Fourth Proportional to 7,482,169.22, 10,324,516.10 and 4,218,789.47

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Solution

The fourth proportional to 7,482,169.22, 10,324,516.10 and 4,218,789.47 is: 5,821,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,169.22 : 10,324,516.10 = 4,218,789.47 : x
  2. Step 2: Convert to fraction form
    7,482,169.22/10,324,516.10 = 4,218,789.47/x
  3. Step 3: Cross multiply
    7,482,169.22x = 10,324,516.10 × 4,218,789.47
  4. Step 4: Simplify right side
    7,482,169.22x = 43,556,959,732,808.94
  5. Step 5: Solve for x
    x = 43,556,959,732,808.94/7,482,169.22
  6. Step 6: Final answer
    x = 5,821,434.73

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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.