Home / 10,040,107.96-13,855,455.84-5,456,429.20

Finding the Fourth Proportional to 10,040,107.96, 13,855,455.84 and 5,456,429.20

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Solution

The fourth proportional to 10,040,107.96, 13,855,455.84 and 5,456,429.20 is: 7,529,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,107.96 : 13,855,455.84 = 5,456,429.20 : x
  2. Step 2: Convert to fraction form
    10,040,107.96/13,855,455.84 = 5,456,429.20/x
  3. Step 3: Cross multiply
    10,040,107.96x = 13,855,455.84 × 5,456,429.20
  4. Step 4: Simplify right side
    10,040,107.96x = 75,601,313,824,686.53
  5. Step 5: Solve for x
    x = 75,601,313,824,686.53/10,040,107.96
  6. Step 6: Final answer
    x = 7,529,930.37

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1.5x scale

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.