Home / 15,135,578.25-20,886,806.50-8,260,109.52

Finding the Fourth Proportional to 15,135,578.25, 20,886,806.50 and 8,260,109.52

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Solution

The fourth proportional to 15,135,578.25, 20,886,806.50 and 8,260,109.52 is: 11,398,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,578.25 : 20,886,806.50 = 8,260,109.52 : x
  2. Step 2: Convert to fraction form
    15,135,578.25/20,886,806.50 = 8,260,109.52/x
  3. Step 3: Cross multiply
    15,135,578.25x = 20,886,806.50 × 8,260,109.52
  4. Step 4: Simplify right side
    15,135,578.25x = 172,527,309,213,047.88
  5. Step 5: Solve for x
    x = 172,527,309,213,047.88/15,135,578.25
  6. Step 6: Final answer
    x = 11,398,792.06

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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.