Home / 9,341,743.80-12,891,614.51-5,211,775.78

Finding the Fourth Proportional to 9,341,743.80, 12,891,614.51 and 5,211,775.78

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Solution

The fourth proportional to 9,341,743.80, 12,891,614.51 and 5,211,775.78 is: 7,192,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,743.80 : 12,891,614.51 = 5,211,775.78 : x
  2. Step 2: Convert to fraction form
    9,341,743.80/12,891,614.51 = 5,211,775.78/x
  3. Step 3: Cross multiply
    9,341,743.80x = 12,891,614.51 × 5,211,775.78
  4. Step 4: Simplify right side
    9,341,743.80x = 67,188,204,234,459.45
  5. Step 5: Solve for x
    x = 67,188,204,234,459.45/9,341,743.80
  6. Step 6: Final answer
    x = 7,192,255.08

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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.