Home / 13,447,370.76-20,155,766.40-11,824,960.20

Finding the Fourth Proportional to 13,447,370.76, 20,155,766.40 and 11,824,960.20

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Solution

The fourth proportional to 13,447,370.76, 20,155,766.40 and 11,824,960.20 is: 17,723,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,370.76 : 20,155,766.40 = 11,824,960.20 : x
  2. Step 2: Convert to fraction form
    13,447,370.76/20,155,766.40 = 11,824,960.20/x
  3. Step 3: Cross multiply
    13,447,370.76x = 20,155,766.40 × 11,824,960.20
  4. Step 4: Simplify right side
    13,447,370.76x = 238,341,135,480,497.25
  5. Step 5: Solve for x
    x = 238,341,135,480,497.25/13,447,370.76
  6. Step 6: Final answer
    x = 17,723,995.25

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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.