Home / 13,309,209.53-18,366,764.51-7,197,638.03

Finding the Fourth Proportional to 13,309,209.53, 18,366,764.51 and 7,197,638.03

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Solution

The fourth proportional to 13,309,209.53, 18,366,764.51 and 7,197,638.03 is: 9,932,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,209.53 : 18,366,764.51 = 7,197,638.03 : x
  2. Step 2: Convert to fraction form
    13,309,209.53/18,366,764.51 = 7,197,638.03/x
  3. Step 3: Cross multiply
    13,309,209.53x = 18,366,764.51 × 7,197,638.03
  4. Step 4: Simplify right side
    13,309,209.53x = 132,197,322,597,408.30
  5. Step 5: Solve for x
    x = 132,197,322,597,408.30/13,309,209.53
  6. Step 6: Final answer
    x = 9,932,770.41

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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.