Home / 7,098,653.52-10,649,775.78-1,981,082.52

Finding the Fourth Proportional to 7,098,653.52, 10,649,775.78 and 1,981,082.52

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Solution

The fourth proportional to 7,098,653.52, 10,649,775.78 and 1,981,082.52 is: 2,972,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,653.52 : 10,649,775.78 = 1,981,082.52 : x
  2. Step 2: Convert to fraction form
    7,098,653.52/10,649,775.78 = 1,981,082.52/x
  3. Step 3: Cross multiply
    7,098,653.52x = 10,649,775.78 × 1,981,082.52
  4. Step 4: Simplify right side
    7,098,653.52x = 21,098,084,639,677.36
  5. Step 5: Solve for x
    x = 21,098,084,639,677.36/7,098,653.52
  6. Step 6: Final answer
    x = 2,972,124.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.