Home / 18,453,612.10-27,680,418.15-17,109,919.30

Finding the Fourth Proportional to 18,453,612.10, 27,680,418.15 and 17,109,919.30

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Solution

The fourth proportional to 18,453,612.10, 27,680,418.15 and 17,109,919.30 is: 25,664,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,612.10 : 27,680,418.15 = 17,109,919.30 : x
  2. Step 2: Convert to fraction form
    18,453,612.10/27,680,418.15 = 17,109,919.30/x
  3. Step 3: Cross multiply
    18,453,612.10x = 27,680,418.15 × 17,109,919.30
  4. Step 4: Simplify right side
    18,453,612.10x = 473,609,720,736,755.31
  5. Step 5: Solve for x
    x = 473,609,720,736,755.31/18,453,612.10
  6. Step 6: Final answer
    x = 25,664,878.95

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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.