Home / 15,504,277-21,395,902.28-8,630,382.92

Finding the Fourth Proportional to 15,504,277, 21,395,902.28 and 8,630,382.92

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Solution

The fourth proportional to 15,504,277, 21,395,902.28 and 8,630,382.92 is: 11,909,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,277 : 21,395,902.28 = 8,630,382.92 : x
  2. Step 2: Convert to fraction form
    15,504,277/21,395,902.28 = 8,630,382.92/x
  3. Step 3: Cross multiply
    15,504,277x = 21,395,902.28 × 8,630,382.92
  4. Step 4: Simplify right side
    15,504,277x = 184,654,829,595,301.06
  5. Step 5: Solve for x
    x = 184,654,829,595,301.06/15,504,277
  6. Step 6: Final answer
    x = 11,909,928.44

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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.