Home / 13,747,857.96-18,972,644.46-7,636,286.46

Finding the Fourth Proportional to 13,747,857.96, 18,972,644.46 and 7,636,286.46

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Solution

The fourth proportional to 13,747,857.96, 18,972,644.46 and 7,636,286.46 is: 10,538,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,857.96 : 18,972,644.46 = 7,636,286.46 : x
  2. Step 2: Convert to fraction form
    13,747,857.96/18,972,644.46 = 7,636,286.46/x
  3. Step 3: Cross multiply
    13,747,857.96x = 18,972,644.46 × 7,636,286.46
  4. Step 4: Simplify right side
    13,747,857.96x = 144,880,548,000,292.03
  5. Step 5: Solve for x
    x = 144,880,548,000,292.03/13,747,857.96
  6. Step 6: Final answer
    x = 10,538,408.85

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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.