Home / 7,971,971.60-11,939,979.04-3,703,156.60

Finding the Fourth Proportional to 7,971,971.60, 11,939,979.04 and 3,703,156.60

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Solution

The fourth proportional to 7,971,971.60, 11,939,979.04 and 3,703,156.60 is: 5,546,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,971.60 : 11,939,979.04 = 3,703,156.60 : x
  2. Step 2: Convert to fraction form
    7,971,971.60/11,939,979.04 = 3,703,156.60/x
  3. Step 3: Cross multiply
    7,971,971.60x = 11,939,979.04 × 3,703,156.60
  4. Step 4: Simplify right side
    7,971,971.60x = 44,215,612,185,837.66
  5. Step 5: Solve for x
    x = 44,215,612,185,837.66/7,971,971.60
  6. Step 6: Final answer
    x = 5,546,383.56

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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.