Home / 13,611,562.11-20,419,372.26-4,857,158.79

Finding the Fourth Proportional to 13,611,562.11, 20,419,372.26 and 4,857,158.79

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Solution

The fourth proportional to 13,611,562.11, 20,419,372.26 and 4,857,158.79 is: 7,286,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,562.11 : 20,419,372.26 = 4,857,158.79 : x
  2. Step 2: Convert to fraction form
    13,611,562.11/20,419,372.26 = 4,857,158.79/x
  3. Step 3: Cross multiply
    13,611,562.11x = 20,419,372.26 × 4,857,158.79
  4. Step 4: Simplify right side
    13,611,562.11x = 99,180,133,458,941.17
  5. Step 5: Solve for x
    x = 99,180,133,458,941.17/13,611,562.11
  6. Step 6: Final answer
    x = 7,286,462.25

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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.