Home / 28,546,103.52-39,393,659.79-15,493,360.95

Finding the Fourth Proportional to 28,546,103.52, 39,393,659.79 and 15,493,360.95

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Solution

The fourth proportional to 28,546,103.52, 39,393,659.79 and 15,493,360.95 is: 21,380,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,103.52 : 39,393,659.79 = 15,493,360.95 : x
  2. Step 2: Convert to fraction form
    28,546,103.52/39,393,659.79 = 15,493,360.95/x
  3. Step 3: Cross multiply
    28,546,103.52x = 39,393,659.79 × 15,493,360.95
  4. Step 4: Simplify right side
    28,546,103.52x = 610,340,190,267,971.12
  5. Step 5: Solve for x
    x = 610,340,190,267,971.12/28,546,103.52
  6. Step 6: Final answer
    x = 21,380,858.16

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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.