Home / 13,459,062.20-20,188,593.30-7,790,358.20

Finding the Fourth Proportional to 13,459,062.20, 20,188,593.30 and 7,790,358.20

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Solution

The fourth proportional to 13,459,062.20, 20,188,593.30 and 7,790,358.20 is: 11,685,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,062.20 : 20,188,593.30 = 7,790,358.20 : x
  2. Step 2: Convert to fraction form
    13,459,062.20/20,188,593.30 = 7,790,358.20/x
  3. Step 3: Cross multiply
    13,459,062.20x = 20,188,593.30 × 7,790,358.20
  4. Step 4: Simplify right side
    13,459,062.20x = 157,276,373,361,120.06
  5. Step 5: Solve for x
    x = 157,276,373,361,120.06/13,459,062.20
  6. Step 6: Final answer
    x = 11,685,537.30

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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.