Home / 10,729,781.80-16,094,672.70-8,838,658.60

Finding the Fourth Proportional to 10,729,781.80, 16,094,672.70 and 8,838,658.60

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Solution

The fourth proportional to 10,729,781.80, 16,094,672.70 and 8,838,658.60 is: 13,257,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729,781.80 : 16,094,672.70 = 8,838,658.60 : x
  2. Step 2: Convert to fraction form
    10,729,781.80/16,094,672.70 = 8,838,658.60/x
  3. Step 3: Cross multiply
    10,729,781.80x = 16,094,672.70 × 8,838,658.60
  4. Step 4: Simplify right side
    10,729,781.80x = 142,255,317,274,040.22
  5. Step 5: Solve for x
    x = 142,255,317,274,040.22/10,729,781.80
  6. Step 6: Final answer
    x = 13,257,987.90

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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.