Home / 18,453,640.10-27,680,460.15-17,109,947.30

Finding the Fourth Proportional to 18,453,640.10, 27,680,460.15 and 17,109,947.30

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Solution

The fourth proportional to 18,453,640.10, 27,680,460.15 and 17,109,947.30 is: 25,664,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,640.10 : 27,680,460.15 = 17,109,947.30 : x
  2. Step 2: Convert to fraction form
    18,453,640.10/27,680,460.15 = 17,109,947.30/x
  3. Step 3: Cross multiply
    18,453,640.10x = 27,680,460.15 × 17,109,947.30
  4. Step 4: Simplify right side
    18,453,640.10x = 473,611,214,406,250.06
  5. Step 5: Solve for x
    x = 473,611,214,406,250.06/18,453,640.10
  6. Step 6: Final answer
    x = 25,664,920.95

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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.