Home / 8,137,237.20-12,198,079.80-3,018,296.40

Finding the Fourth Proportional to 8,137,237.20, 12,198,079.80 and 3,018,296.40

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Solution

The fourth proportional to 8,137,237.20, 12,198,079.80 and 3,018,296.40 is: 4,524,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,237.20 : 12,198,079.80 = 3,018,296.40 : x
  2. Step 2: Convert to fraction form
    8,137,237.20/12,198,079.80 = 3,018,296.40/x
  3. Step 3: Cross multiply
    8,137,237.20x = 12,198,079.80 × 3,018,296.40
  4. Step 4: Simplify right side
    8,137,237.20x = 36,817,420,347,252.72
  5. Step 5: Solve for x
    x = 36,817,420,347,252.72/8,137,237.20
  6. Step 6: Final answer
    x = 4,524,560.30

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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.