Home / 15,504,277-21,395,902.26-8,630,382.91

Finding the Fourth Proportional to 15,504,277, 21,395,902.26 and 8,630,382.91

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Solution

The fourth proportional to 15,504,277, 21,395,902.26 and 8,630,382.91 is: 11,909,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,277 : 21,395,902.26 = 8,630,382.91 : x
  2. Step 2: Convert to fraction form
    15,504,277/21,395,902.26 = 8,630,382.91/x
  3. Step 3: Cross multiply
    15,504,277x = 21,395,902.26 × 8,630,382.91
  4. Step 4: Simplify right side
    15,504,277x = 184,654,829,208,734.41
  5. Step 5: Solve for x
    x = 184,654,829,208,734.41/15,504,277
  6. Step 6: Final answer
    x = 11,909,928.42

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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.