Home / 8,178,046.20-12,267,069.30-2,792,777.40

Finding the Fourth Proportional to 8,178,046.20, 12,267,069.30 and 2,792,777.40

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Solution

The fourth proportional to 8,178,046.20, 12,267,069.30 and 2,792,777.40 is: 4,189,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,046.20 : 12,267,069.30 = 2,792,777.40 : x
  2. Step 2: Convert to fraction form
    8,178,046.20/12,267,069.30 = 2,792,777.40/x
  3. Step 3: Cross multiply
    8,178,046.20x = 12,267,069.30 × 2,792,777.40
  4. Step 4: Simplify right side
    8,178,046.20x = 34,259,193,905,273.82
  5. Step 5: Solve for x
    x = 34,259,193,905,273.82/8,178,046.20
  6. Step 6: Final answer
    x = 4,189,166.10

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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.