Home / 13,016,234.57-17,962,014.88-7,135,667.78

Finding the Fourth Proportional to 13,016,234.57, 17,962,014.88 and 7,135,667.78

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Solution

The fourth proportional to 13,016,234.57, 17,962,014.88 and 7,135,667.78 is: 9,847,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,234.57 : 17,962,014.88 = 7,135,667.78 : x
  2. Step 2: Convert to fraction form
    13,016,234.57/17,962,014.88 = 7,135,667.78/x
  3. Step 3: Cross multiply
    13,016,234.57x = 17,962,014.88 × 7,135,667.78
  4. Step 4: Simplify right side
    13,016,234.57x = 128,170,970,843,096.56
  5. Step 5: Solve for x
    x = 128,170,970,843,096.56/13,016,234.57
  6. Step 6: Final answer
    x = 9,847,008.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.