Home / 47,877,556.80-71,826,422.82-15,526,936.90

Finding the Fourth Proportional to 47,877,556.80, 71,826,422.82 and 15,526,936.90

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Solution

The fourth proportional to 47,877,556.80, 71,826,422.82 and 15,526,936.90 is: 23,293,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877,556.80 : 71,826,422.82 = 15,526,936.90 : x
  2. Step 2: Convert to fraction form
    47,877,556.80/71,826,422.82 = 15,526,936.90/x
  3. Step 3: Cross multiply
    47,877,556.80x = 71,826,422.82 × 15,526,936.90
  4. Step 4: Simplify right side
    47,877,556.80x = 1,115,244,334,878,860
  5. Step 5: Solve for x
    x = 1,115,244,334,878,860/47,877,556.80
  6. Step 6: Final answer
    x = 23,293,676.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.