Home / 9,628,758.80-14,443,138.20-7,739,190.80

Finding the Fourth Proportional to 9,628,758.80, 14,443,138.20 and 7,739,190.80

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Solution

The fourth proportional to 9,628,758.80, 14,443,138.20 and 7,739,190.80 is: 11,608,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,758.80 : 14,443,138.20 = 7,739,190.80 : x
  2. Step 2: Convert to fraction form
    9,628,758.80/14,443,138.20 = 7,739,190.80/x
  3. Step 3: Cross multiply
    9,628,758.80x = 14,443,138.20 × 7,739,190.80
  4. Step 4: Simplify right side
    9,628,758.80x = 111,778,202,280,568.55
  5. Step 5: Solve for x
    x = 111,778,202,280,568.55/9,628,758.80
  6. Step 6: Final answer
    x = 11,608,786.20

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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.