Home / 10,703,873.80-16,034,037.90-6,647,912.20

Finding the Fourth Proportional to 10,703,873.80, 16,034,037.90 and 6,647,912.20

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Solution

The fourth proportional to 10,703,873.80, 16,034,037.90 and 6,647,912.20 is: 9,958,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703,873.80 : 16,034,037.90 = 6,647,912.20 : x
  2. Step 2: Convert to fraction form
    10,703,873.80/16,034,037.90 = 6,647,912.20/x
  3. Step 3: Cross multiply
    10,703,873.80x = 16,034,037.90 × 6,647,912.20
  4. Step 4: Simplify right side
    10,703,873.80x = 106,592,876,170,672.39
  5. Step 5: Solve for x
    x = 106,592,876,170,672.39/10,703,873.80
  6. Step 6: Final answer
    x = 9,958,345.75

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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.