Home / 11,910,620.80-17,865,931.20-7,375,657.60

Finding the Fourth Proportional to 11,910,620.80, 17,865,931.20 and 7,375,657.60

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Solution

The fourth proportional to 11,910,620.80, 17,865,931.20 and 7,375,657.60 is: 11,063,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910,620.80 : 17,865,931.20 = 7,375,657.60 : x
  2. Step 2: Convert to fraction form
    11,910,620.80/17,865,931.20 = 7,375,657.60/x
  3. Step 3: Cross multiply
    11,910,620.80x = 17,865,931.20 × 7,375,657.60
  4. Step 4: Simplify right side
    11,910,620.80x = 131,772,991,236,357.11
  5. Step 5: Solve for x
    x = 131,772,991,236,357.11/11,910,620.80
  6. Step 6: Final answer
    x = 11,063,486.40

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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.