Home / 9,253,903.68-12,770,451.36-5,388,678.72

Finding the Fourth Proportional to 9,253,903.68, 12,770,451.36 and 5,388,678.72

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Solution

The fourth proportional to 9,253,903.68, 12,770,451.36 and 5,388,678.72 is: 7,436,414.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253,903.68 : 12,770,451.36 = 5,388,678.72 : x
  2. Step 2: Convert to fraction form
    9,253,903.68/12,770,451.36 = 5,388,678.72/x
  3. Step 3: Cross multiply
    9,253,903.68x = 12,770,451.36 × 5,388,678.72
  4. Step 4: Simplify right side
    9,253,903.68x = 68,815,859,488,427.05
  5. Step 5: Solve for x
    x = 68,815,859,488,427.05/9,253,903.68
  6. Step 6: Final answer
    x = 7,436,414.07

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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.