Home / 8,474,638.50-12,717,556.47-3,987,264.42

Finding the Fourth Proportional to 8,474,638.50, 12,717,556.47 and 3,987,264.42

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Solution

The fourth proportional to 8,474,638.50, 12,717,556.47 and 3,987,264.42 is: 5,983,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,638.50 : 12,717,556.47 = 3,987,264.42 : x
  2. Step 2: Convert to fraction form
    8,474,638.50/12,717,556.47 = 3,987,264.42/x
  3. Step 3: Cross multiply
    8,474,638.50x = 12,717,556.47 × 3,987,264.42
  4. Step 4: Simplify right side
    8,474,638.50x = 50,708,260,422,171.80
  5. Step 5: Solve for x
    x = 50,708,260,422,171.80/8,474,638.50
  6. Step 6: Final answer
    x = 5,983,530.79

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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.