Home / 8,198,729.40-12,305,529.90-4,158,028.20

Finding the Fourth Proportional to 8,198,729.40, 12,305,529.90 and 4,158,028.20

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Solution

The fourth proportional to 8,198,729.40, 12,305,529.90 and 4,158,028.20 is: 6,240,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,729.40 : 12,305,529.90 = 4,158,028.20 : x
  2. Step 2: Convert to fraction form
    8,198,729.40/12,305,529.90 = 4,158,028.20/x
  3. Step 3: Cross multiply
    8,198,729.40x = 12,305,529.90 × 4,158,028.20
  4. Step 4: Simplify right side
    8,198,729.40x = 51,166,740,340,143.19
  5. Step 5: Solve for x
    x = 51,166,740,340,143.19/8,198,729.40
  6. Step 6: Final answer
    x = 6,240,813.40

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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.