Home / 11,121,750.40-16,661,630.40-5,711,987.20

Finding the Fourth Proportional to 11,121,750.40, 16,661,630.40 and 5,711,987.20

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Solution

The fourth proportional to 11,121,750.40, 16,661,630.40 and 5,711,987.20 is: 8,557,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,750.40 : 16,661,630.40 = 5,711,987.20 : x
  2. Step 2: Convert to fraction form
    11,121,750.40/16,661,630.40 = 5,711,987.20/x
  3. Step 3: Cross multiply
    11,121,750.40x = 16,661,630.40 × 5,711,987.20
  4. Step 4: Simplify right side
    11,121,750.40x = 95,171,019,575,930.89
  5. Step 5: Solve for x
    x = 95,171,019,575,930.89/11,121,750.40
  6. Step 6: Final answer
    x = 8,557,197.94

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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.