Home / 18,536,489.40-27,804,734.10-17,780,662.20

Finding the Fourth Proportional to 18,536,489.40, 27,804,734.10 and 17,780,662.20

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Solution

The fourth proportional to 18,536,489.40, 27,804,734.10 and 17,780,662.20 is: 26,670,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,489.40 : 27,804,734.10 = 17,780,662.20 : x
  2. Step 2: Convert to fraction form
    18,536,489.40/27,804,734.10 = 17,780,662.20/x
  3. Step 3: Cross multiply
    18,536,489.40x = 27,804,734.10 × 17,780,662.20
  4. Step 4: Simplify right side
    18,536,489.40x = 494,386,584,592,921
  5. Step 5: Solve for x
    x = 494,386,584,592,921/18,536,489.40
  6. Step 6: Final answer
    x = 26,670,993.30

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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.