Home / 8,188,803.88-12,284,780.22-3,139,720.60

Finding the Fourth Proportional to 8,188,803.88, 12,284,780.22 and 3,139,720.60

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Solution

The fourth proportional to 8,188,803.88, 12,284,780.22 and 3,139,720.60 is: 4,710,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,803.88 : 12,284,780.22 = 3,139,720.60 : x
  2. Step 2: Convert to fraction form
    8,188,803.88/12,284,780.22 = 3,139,720.60/x
  3. Step 3: Cross multiply
    8,188,803.88x = 12,284,780.22 × 3,139,720.60
  4. Step 4: Simplify right side
    8,188,803.88x = 38,570,777,523,206.54
  5. Step 5: Solve for x
    x = 38,570,777,523,206.54/8,188,803.88
  6. Step 6: Final answer
    x = 4,710,184.55

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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.