Home / 28,546,103.04-39,393,659.12-15,493,360.56

Finding the Fourth Proportional to 28,546,103.04, 39,393,659.12 and 15,493,360.56

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Solution

The fourth proportional to 28,546,103.04, 39,393,659.12 and 15,493,360.56 is: 21,380,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,103.04 : 39,393,659.12 = 15,493,360.56 : x
  2. Step 2: Convert to fraction form
    28,546,103.04/39,393,659.12 = 15,493,360.56/x
  3. Step 3: Cross multiply
    28,546,103.04x = 39,393,659.12 × 15,493,360.56
  4. Step 4: Simplify right side
    28,546,103.04x = 610,340,164,523,892.25
  5. Step 5: Solve for x
    x = 610,340,164,523,892.25/28,546,103.04
  6. Step 6: Final answer
    x = 21,380,857.61

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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.