Home / 13,642,286.85-20,474,119.44-9,516,773.79

Finding the Fourth Proportional to 13,642,286.85, 20,474,119.44 and 9,516,773.79

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Solution

The fourth proportional to 13,642,286.85, 20,474,119.44 and 9,516,773.79 is: 14,282,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,286.85 : 20,474,119.44 = 9,516,773.79 : x
  2. Step 2: Convert to fraction form
    13,642,286.85/20,474,119.44 = 9,516,773.79/x
  3. Step 3: Cross multiply
    13,642,286.85x = 20,474,119.44 × 9,516,773.79
  4. Step 4: Simplify right side
    13,642,286.85x = 194,847,563,259,921.47
  5. Step 5: Solve for x
    x = 194,847,563,259,921.47/13,642,286.85
  6. Step 6: Final answer
    x = 14,282,617.38

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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.