Home / 15,504,280.13-21,395,906.57-8,630,386.04

Finding the Fourth Proportional to 15,504,280.13, 21,395,906.57 and 8,630,386.04

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Solution

The fourth proportional to 15,504,280.13, 21,395,906.57 and 8,630,386.04 is: 11,909,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,280.13 : 21,395,906.57 = 8,630,386.04 : x
  2. Step 2: Convert to fraction form
    15,504,280.13/21,395,906.57 = 8,630,386.04/x
  3. Step 3: Cross multiply
    15,504,280.13x = 21,395,906.57 × 8,630,386.04
  4. Step 4: Simplify right side
    15,504,280.13x = 184,654,933,289,468.72
  5. Step 5: Solve for x
    x = 184,654,933,289,468.72/15,504,280.13
  6. Step 6: Final answer
    x = 11,909,932.73

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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.