Home / 12,453,029.40-18,679,544.10-8,198,002.20

Finding the Fourth Proportional to 12,453,029.40, 18,679,544.10 and 8,198,002.20

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Solution

The fourth proportional to 12,453,029.40, 18,679,544.10 and 8,198,002.20 is: 12,297,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,029.40 : 18,679,544.10 = 8,198,002.20 : x
  2. Step 2: Convert to fraction form
    12,453,029.40/18,679,544.10 = 8,198,002.20/x
  3. Step 3: Cross multiply
    12,453,029.40x = 18,679,544.10 × 8,198,002.20
  4. Step 4: Simplify right side
    12,453,029.40x = 153,134,943,626,797.03
  5. Step 5: Solve for x
    x = 153,134,943,626,797.03/12,453,029.40
  6. Step 6: Final answer
    x = 12,297,003.30

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1.5x scale

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.