Home / 10,264,591.42-15,379,885.33-7,217,067.88

Finding the Fourth Proportional to 10,264,591.42, 15,379,885.33 and 7,217,067.88

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Solution

The fourth proportional to 10,264,591.42, 15,379,885.33 and 7,217,067.88 is: 10,813,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264,591.42 : 15,379,885.33 = 7,217,067.88 : x
  2. Step 2: Convert to fraction form
    10,264,591.42/15,379,885.33 = 7,217,067.88/x
  3. Step 3: Cross multiply
    10,264,591.42x = 15,379,885.33 × 7,217,067.88
  4. Step 4: Simplify right side
    10,264,591.42x = 110,997,676,413,226.20
  5. Step 5: Solve for x
    x = 110,997,676,413,226.20/10,264,591.42
  6. Step 6: Final answer
    x = 10,813,647.80

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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.