Home / 15,135,578.23-20,886,806.50-8,260,109.50

Finding the Fourth Proportional to 15,135,578.23, 20,886,806.50 and 8,260,109.50

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Solution

The fourth proportional to 15,135,578.23, 20,886,806.50 and 8,260,109.50 is: 11,398,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,578.23 : 20,886,806.50 = 8,260,109.50 : x
  2. Step 2: Convert to fraction form
    15,135,578.23/20,886,806.50 = 8,260,109.50/x
  3. Step 3: Cross multiply
    15,135,578.23x = 20,886,806.50 × 8,260,109.50
  4. Step 4: Simplify right side
    15,135,578.23x = 172,527,308,795,311.75
  5. Step 5: Solve for x
    x = 172,527,308,795,311.75/15,135,578.23
  6. Step 6: Final answer
    x = 11,398,792.05

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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.