Home / 8,542,812.30-12,810,479.49-2,557,780.62

Finding the Fourth Proportional to 8,542,812.30, 12,810,479.49 and 2,557,780.62

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Solution

The fourth proportional to 8,542,812.30, 12,810,479.49 and 2,557,780.62 is: 3,835,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542,812.30 : 12,810,479.49 = 2,557,780.62 : x
  2. Step 2: Convert to fraction form
    8,542,812.30/12,810,479.49 = 2,557,780.62/x
  3. Step 3: Cross multiply
    8,542,812.30x = 12,810,479.49 × 2,557,780.62
  4. Step 4: Simplify right side
    8,542,812.30x = 32,766,396,172,429.48
  5. Step 5: Solve for x
    x = 32,766,396,172,429.48/8,542,812.30
  6. Step 6: Final answer
    x = 3,835,551.46

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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.