Home / 11,558,468.40-17,342,886.60-3,990,865.20

Finding the Fourth Proportional to 11,558,468.40, 17,342,886.60 and 3,990,865.20

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Solution

The fourth proportional to 11,558,468.40, 17,342,886.60 and 3,990,865.20 is: 5,988,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558,468.40 : 17,342,886.60 = 3,990,865.20 : x
  2. Step 2: Convert to fraction form
    11,558,468.40/17,342,886.60 = 3,990,865.20/x
  3. Step 3: Cross multiply
    11,558,468.40x = 17,342,886.60 × 3,990,865.20
  4. Step 4: Simplify right side
    11,558,468.40x = 69,213,122,599,486.33
  5. Step 5: Solve for x
    x = 69,213,122,599,486.33/11,558,468.40
  6. Step 6: Final answer
    x = 5,988,087.71

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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.