Home / 15,365,251.52-21,204,003.57-8,489,684.60

Finding the Fourth Proportional to 15,365,251.52, 21,204,003.57 and 8,489,684.60

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Solution

The fourth proportional to 15,365,251.52, 21,204,003.57 and 8,489,684.60 is: 11,715,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,251.52 : 21,204,003.57 = 8,489,684.60 : x
  2. Step 2: Convert to fraction form
    15,365,251.52/21,204,003.57 = 8,489,684.60/x
  3. Step 3: Cross multiply
    15,365,251.52x = 21,204,003.57 × 8,489,684.60
  4. Step 4: Simplify right side
    15,365,251.52x = 180,015,302,566,574.03
  5. Step 5: Solve for x
    x = 180,015,302,566,574.03/15,365,251.52
  6. Step 6: Final answer
    x = 11,715,740.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.