Home / 8,078,049.40-12,096,078.90-6,384,436.60

Finding the Fourth Proportional to 8,078,049.40, 12,096,078.90 and 6,384,436.60

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Solution

The fourth proportional to 8,078,049.40, 12,096,078.90 and 6,384,436.60 is: 9,560,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,049.40 : 12,096,078.90 = 6,384,436.60 : x
  2. Step 2: Convert to fraction form
    8,078,049.40/12,096,078.90 = 6,384,436.60/x
  3. Step 3: Cross multiply
    8,078,049.40x = 12,096,078.90 × 6,384,436.60
  4. Step 4: Simplify right side
    8,078,049.40x = 77,226,648,845,647.73
  5. Step 5: Solve for x
    x = 77,226,648,845,647.73/8,078,049.40
  6. Step 6: Final answer
    x = 9,560,061.47

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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.