Home / 6,921,928.38-9,552,453.75-3,824,651.28

Finding the Fourth Proportional to 6,921,928.38, 9,552,453.75 and 3,824,651.28

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Solution

The fourth proportional to 6,921,928.38, 9,552,453.75 and 3,824,651.28 is: 5,278,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,928.38 : 9,552,453.75 = 3,824,651.28 : x
  2. Step 2: Convert to fraction form
    6,921,928.38/9,552,453.75 = 3,824,651.28/x
  3. Step 3: Cross multiply
    6,921,928.38x = 9,552,453.75 × 3,824,651.28
  4. Step 4: Simplify right side
    6,921,928.38x = 36,534,804,462,078.30
  5. Step 5: Solve for x
    x = 36,534,804,462,078.30/6,921,928.38
  6. Step 6: Final answer
    x = 5,278,125.18

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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.