Home / 18,146,411.20-27,219,616.80-17,264,612.80

Finding the Fourth Proportional to 18,146,411.20, 27,219,616.80 and 17,264,612.80

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Solution

The fourth proportional to 18,146,411.20, 27,219,616.80 and 17,264,612.80 is: 25,896,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,411.20 : 27,219,616.80 = 17,264,612.80 : x
  2. Step 2: Convert to fraction form
    18,146,411.20/27,219,616.80 = 17,264,612.80/x
  3. Step 3: Cross multiply
    18,146,411.20x = 27,219,616.80 × 17,264,612.80
  4. Step 4: Simplify right side
    18,146,411.20x = 469,936,144,616,375.06
  5. Step 5: Solve for x
    x = 469,936,144,616,375.06/18,146,411.20
  6. Step 6: Final answer
    x = 25,896,919.20

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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.