Home / 10,557,456.30-15,836,184.45-8,289,974.70

Finding the Fourth Proportional to 10,557,456.30, 15,836,184.45 and 8,289,974.70

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Solution

The fourth proportional to 10,557,456.30, 15,836,184.45 and 8,289,974.70 is: 12,434,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,456.30 : 15,836,184.45 = 8,289,974.70 : x
  2. Step 2: Convert to fraction form
    10,557,456.30/15,836,184.45 = 8,289,974.70/x
  3. Step 3: Cross multiply
    10,557,456.30x = 15,836,184.45 × 8,289,974.70
  4. Step 4: Simplify right side
    10,557,456.30x = 131,281,568,435,033.41
  5. Step 5: Solve for x
    x = 131,281,568,435,033.41/10,557,456.30
  6. Step 6: Final answer
    x = 12,434,962.05

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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.