Home / 7,447,583.92-11,171,359.32-1,982,680.12

Finding the Fourth Proportional to 7,447,583.92, 11,171,359.32 and 1,982,680.12

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Solution

The fourth proportional to 7,447,583.92, 11,171,359.32 and 1,982,680.12 is: 2,974,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,583.92 : 11,171,359.32 = 1,982,680.12 : x
  2. Step 2: Convert to fraction form
    7,447,583.92/11,171,359.32 = 1,982,680.12/x
  3. Step 3: Cross multiply
    7,447,583.92x = 11,171,359.32 × 1,982,680.12
  4. Step 4: Simplify right side
    7,447,583.92x = 22,149,232,037,140.72
  5. Step 5: Solve for x
    x = 22,149,232,037,140.72/7,447,583.92
  6. Step 6: Final answer
    x = 2,974,015.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.