Home / 13,734,239.28-18,954,135.96-7,622,667.84

Finding the Fourth Proportional to 13,734,239.28, 18,954,135.96 and 7,622,667.84

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Solution

The fourth proportional to 13,734,239.28, 18,954,135.96 and 7,622,667.84 is: 10,519,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734,239.28 : 18,954,135.96 = 7,622,667.84 : x
  2. Step 2: Convert to fraction form
    13,734,239.28/18,954,135.96 = 7,622,667.84/x
  3. Step 3: Cross multiply
    13,734,239.28x = 18,954,135.96 × 7,622,667.84
  4. Step 4: Simplify right side
    13,734,239.28x = 144,481,082,617,279.53
  5. Step 5: Solve for x
    x = 144,481,082,617,279.53/13,734,239.28
  6. Step 6: Final answer
    x = 10,519,773.22

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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.