Home / 13,658,512.60-20,487,768.90-6,856,067.80

Finding the Fourth Proportional to 13,658,512.60, 20,487,768.90 and 6,856,067.80

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Solution

The fourth proportional to 13,658,512.60, 20,487,768.90 and 6,856,067.80 is: 10,284,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,512.60 : 20,487,768.90 = 6,856,067.80 : x
  2. Step 2: Convert to fraction form
    13,658,512.60/20,487,768.90 = 6,856,067.80/x
  3. Step 3: Cross multiply
    13,658,512.60x = 20,487,768.90 × 6,856,067.80
  4. Step 4: Simplify right side
    13,658,512.60x = 140,465,532,649,131.41
  5. Step 5: Solve for x
    x = 140,465,532,649,131.41/13,658,512.60
  6. Step 6: Final answer
    x = 10,284,101.70

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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.