Home / 12,476,822.20-18,715,233.30-4,391,045.80

Finding the Fourth Proportional to 12,476,822.20, 18,715,233.30 and 4,391,045.80

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Solution

The fourth proportional to 12,476,822.20, 18,715,233.30 and 4,391,045.80 is: 6,586,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,822.20 : 18,715,233.30 = 4,391,045.80 : x
  2. Step 2: Convert to fraction form
    12,476,822.20/18,715,233.30 = 4,391,045.80/x
  3. Step 3: Cross multiply
    12,476,822.20x = 18,715,233.30 × 4,391,045.80
  4. Step 4: Simplify right side
    12,476,822.20x = 82,179,446,577,985.14
  5. Step 5: Solve for x
    x = 82,179,446,577,985.14/12,476,822.20
  6. Step 6: Final answer
    x = 6,586,568.70

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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.