Home / 18,085,867.20-27,128,363.40-10,891,949.40

Finding the Fourth Proportional to 18,085,867.20, 27,128,363.40 and 10,891,949.40

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Solution

The fourth proportional to 18,085,867.20, 27,128,363.40 and 10,891,949.40 is: 16,337,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,867.20 : 27,128,363.40 = 10,891,949.40 : x
  2. Step 2: Convert to fraction form
    18,085,867.20/27,128,363.40 = 10,891,949.40/x
  3. Step 3: Cross multiply
    18,085,867.20x = 27,128,363.40 × 10,891,949.40
  4. Step 4: Simplify right side
    18,085,867.20x = 295,480,761,457,611.94
  5. Step 5: Solve for x
    x = 295,480,761,457,611.94/18,085,867.20
  6. Step 6: Final answer
    x = 16,337,660.68

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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.