Home / 13,315,397.23-18,374,201.62-8,158,057.57

Finding the Fourth Proportional to 13,315,397.23, 18,374,201.62 and 8,158,057.57

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Solution

The fourth proportional to 13,315,397.23, 18,374,201.62 and 8,158,057.57 is: 11,257,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,397.23 : 18,374,201.62 = 8,158,057.57 : x
  2. Step 2: Convert to fraction form
    13,315,397.23/18,374,201.62 = 8,158,057.57/x
  3. Step 3: Cross multiply
    13,315,397.23x = 18,374,201.62 × 8,158,057.57
  4. Step 4: Simplify right side
    13,315,397.23x = 149,897,794,618,747.28
  5. Step 5: Solve for x
    x = 149,897,794,618,747.28/13,315,397.23
  6. Step 6: Final answer
    x = 11,257,478.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.