Home / 12,145,798.20-18,218,697.30-3,170,350.20

Finding the Fourth Proportional to 12,145,798.20, 18,218,697.30 and 3,170,350.20

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Solution

The fourth proportional to 12,145,798.20, 18,218,697.30 and 3,170,350.20 is: 4,755,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,798.20 : 18,218,697.30 = 3,170,350.20 : x
  2. Step 2: Convert to fraction form
    12,145,798.20/18,218,697.30 = 3,170,350.20/x
  3. Step 3: Cross multiply
    12,145,798.20x = 18,218,697.30 × 3,170,350.20
  4. Step 4: Simplify right side
    12,145,798.20x = 57,759,650,628,794.47
  5. Step 5: Solve for x
    x = 57,759,650,628,794.47/12,145,798.20
  6. Step 6: Final answer
    x = 4,755,525.30

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Double scale
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Similar ratio
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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.