Home / 18,719,064.64-25,829,934.32-10,981,283.68

Finding the Fourth Proportional to 18,719,064.64, 25,829,934.32 and 10,981,283.68

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Solution

The fourth proportional to 18,719,064.64, 25,829,934.32 and 10,981,283.68 is: 15,152,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,064.64 : 25,829,934.32 = 10,981,283.68 : x
  2. Step 2: Convert to fraction form
    18,719,064.64/25,829,934.32 = 10,981,283.68/x
  3. Step 3: Cross multiply
    18,719,064.64x = 25,829,934.32 × 10,981,283.68
  4. Step 4: Simplify right side
    18,719,064.64x = 283,645,836,203,687.88
  5. Step 5: Solve for x
    x = 283,645,836,203,687.88/18,719,064.64
  6. Step 6: Final answer
    x = 15,152,778.29

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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.