Home / 8,689,453.20-13,036,512.60-7,749,334.80

Finding the Fourth Proportional to 8,689,453.20, 13,036,512.60 and 7,749,334.80

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Solution

The fourth proportional to 8,689,453.20, 13,036,512.60 and 7,749,334.80 is: 11,626,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,453.20 : 13,036,512.60 = 7,749,334.80 : x
  2. Step 2: Convert to fraction form
    8,689,453.20/13,036,512.60 = 7,749,334.80/x
  3. Step 3: Cross multiply
    8,689,453.20x = 13,036,512.60 × 7,749,334.80
  4. Step 4: Simplify right side
    8,689,453.20x = 101,024,300,761,818.47
  5. Step 5: Solve for x
    x = 101,024,300,761,818.47/8,689,453.20
  6. Step 6: Final answer
    x = 11,626,082.61

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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.