Home / 18,612,071.70-27,918,982.35-5,832,993.30

Finding the Fourth Proportional to 18,612,071.70, 27,918,982.35 and 5,832,993.30

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Solution

The fourth proportional to 18,612,071.70, 27,918,982.35 and 5,832,993.30 is: 8,749,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,071.70 : 27,918,982.35 = 5,832,993.30 : x
  2. Step 2: Convert to fraction form
    18,612,071.70/27,918,982.35 = 5,832,993.30/x
  3. Step 3: Cross multiply
    18,612,071.70x = 27,918,982.35 × 5,832,993.30
  4. Step 4: Simplify right side
    18,612,071.70x = 162,851,236,990,368.25
  5. Step 5: Solve for x
    x = 162,851,236,990,368.25/18,612,071.70
  6. Step 6: Final answer
    x = 8,749,764.11

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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.