Home / 20,261,158.59-30,403,842.04-18,612,747.44

Finding the Fourth Proportional to 20,261,158.59, 30,403,842.04 and 18,612,747.44

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Solution

The fourth proportional to 20,261,158.59, 30,403,842.04 and 18,612,747.44 is: 27,930,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,158.59 : 30,403,842.04 = 18,612,747.44 : x
  2. Step 2: Convert to fraction form
    20,261,158.59/30,403,842.04 = 18,612,747.44/x
  3. Step 3: Cross multiply
    20,261,158.59x = 30,403,842.04 × 18,612,747.44
  4. Step 4: Simplify right side
    20,261,158.59x = 565,899,033,081,435.50
  5. Step 5: Solve for x
    x = 565,899,033,081,435.50/20,261,158.59
  6. Step 6: Final answer
    x = 27,930,240.54

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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.