Home / 10,631,638.60-15,949,790.70-3,443,504.20

Finding the Fourth Proportional to 10,631,638.60, 15,949,790.70 and 3,443,504.20

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Solution

The fourth proportional to 10,631,638.60, 15,949,790.70 and 3,443,504.20 is: 5,166,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,638.60 : 15,949,790.70 = 3,443,504.20 : x
  2. Step 2: Convert to fraction form
    10,631,638.60/15,949,790.70 = 3,443,504.20/x
  3. Step 3: Cross multiply
    10,631,638.60x = 15,949,790.70 × 3,443,504.20
  4. Step 4: Simplify right side
    10,631,638.60x = 54,923,171,264,570.94
  5. Step 5: Solve for x
    x = 54,923,171,264,570.94/10,631,638.60
  6. Step 6: Final answer
    x = 5,166,011.88

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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.