Home / 13,209,238.20-18,230,741.26-8,055,589.16

Finding the Fourth Proportional to 13,209,238.20, 18,230,741.26 and 8,055,589.16

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Solution

The fourth proportional to 13,209,238.20, 18,230,741.26 and 8,055,589.16 is: 11,117,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,238.20 : 18,230,741.26 = 8,055,589.16 : x
  2. Step 2: Convert to fraction form
    13,209,238.20/18,230,741.26 = 8,055,589.16/x
  3. Step 3: Cross multiply
    13,209,238.20x = 18,230,741.26 × 8,055,589.16
  4. Step 4: Simplify right side
    13,209,238.20x = 146,859,361,672,820.75
  5. Step 5: Solve for x
    x = 146,859,361,672,820.75/13,209,238.20
  6. Step 6: Final answer
    x = 11,117,928.18

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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.