Home / 18,971,487.06-28,452,975.21-8,726,508.24

Finding the Fourth Proportional to 18,971,487.06, 28,452,975.21 and 8,726,508.24

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Solution

The fourth proportional to 18,971,487.06, 28,452,975.21 and 8,726,508.24 is: 13,087,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,487.06 : 28,452,975.21 = 8,726,508.24 : x
  2. Step 2: Convert to fraction form
    18,971,487.06/28,452,975.21 = 8,726,508.24/x
  3. Step 3: Cross multiply
    18,971,487.06x = 28,452,975.21 × 8,726,508.24
  4. Step 4: Simplify right side
    18,971,487.06x = 248,295,122,622,580.75
  5. Step 5: Solve for x
    x = 248,295,122,622,580.75/18,971,487.06
  6. Step 6: Final answer
    x = 13,087,804.97

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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.