Home / 13,753,951.44-18,980,880.11-7,558,885.57

Finding the Fourth Proportional to 13,753,951.44, 18,980,880.11 and 7,558,885.57

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Solution

The fourth proportional to 13,753,951.44, 18,980,880.11 and 7,558,885.57 is: 10,431,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,951.44 : 18,980,880.11 = 7,558,885.57 : x
  2. Step 2: Convert to fraction form
    13,753,951.44/18,980,880.11 = 7,558,885.57/x
  3. Step 3: Cross multiply
    13,753,951.44x = 18,980,880.11 × 7,558,885.57
  4. Step 4: Simplify right side
    13,753,951.44x = 143,474,300,769,379
  5. Step 5: Solve for x
    x = 143,474,300,769,379/13,753,951.44
  6. Step 6: Final answer
    x = 10,431,496.82

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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.