Home / 13,188,426.03-18,206,261.53-8,840,352.92

Finding the Fourth Proportional to 13,188,426.03, 18,206,261.53 and 8,840,352.92

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Solution

The fourth proportional to 13,188,426.03, 18,206,261.53 and 8,840,352.92 is: 12,203,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,426.03 : 18,206,261.53 = 8,840,352.92 : x
  2. Step 2: Convert to fraction form
    13,188,426.03/18,206,261.53 = 8,840,352.92/x
  3. Step 3: Cross multiply
    13,188,426.03x = 18,206,261.53 × 8,840,352.92
  4. Step 4: Simplify right side
    13,188,426.03x = 160,949,777,165,886.97
  5. Step 5: Solve for x
    x = 160,949,777,165,886.97/13,188,426.03
  6. Step 6: Final answer
    x = 12,203,865.48

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1.5x scale

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.