Home / 7,002,808.73-9,663,949.87-3,947,022.98

Finding the Fourth Proportional to 7,002,808.73, 9,663,949.87 and 3,947,022.98

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Solution

The fourth proportional to 7,002,808.73, 9,663,949.87 and 3,947,022.98 is: 5,446,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,808.73 : 9,663,949.87 = 3,947,022.98 : x
  2. Step 2: Convert to fraction form
    7,002,808.73/9,663,949.87 = 3,947,022.98/x
  3. Step 3: Cross multiply
    7,002,808.73x = 9,663,949.87 × 3,947,022.98
  4. Step 4: Simplify right side
    7,002,808.73x = 38,143,832,246,870.23
  5. Step 5: Solve for x
    x = 38,143,832,246,870.23/7,002,808.73
  6. Step 6: Final answer
    x = 5,446,933.32

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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.