Home / 10,788,282.78-16,188,808.50-3,969,644.16

Finding the Fourth Proportional to 10,788,282.78, 16,188,808.50 and 3,969,644.16

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Solution

The fourth proportional to 10,788,282.78, 16,188,808.50 and 3,969,644.16 is: 5,956,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788,282.78 : 16,188,808.50 = 3,969,644.16 : x
  2. Step 2: Convert to fraction form
    10,788,282.78/16,188,808.50 = 3,969,644.16/x
  3. Step 3: Cross multiply
    10,788,282.78x = 16,188,808.50 × 3,969,644.16
  4. Step 4: Simplify right side
    10,788,282.78x = 64,263,809,119,383.36
  5. Step 5: Solve for x
    x = 64,263,809,119,383.36/10,788,282.78
  6. Step 6: Final answer
    x = 5,956,815.41

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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.