Home / 12,783,388.20-19,105,037.25-9,332,395.17

Finding the Fourth Proportional to 12,783,388.20, 19,105,037.25 and 9,332,395.17

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Solution

The fourth proportional to 12,783,388.20, 19,105,037.25 and 9,332,395.17 is: 13,947,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,388.20 : 19,105,037.25 = 9,332,395.17 : x
  2. Step 2: Convert to fraction form
    12,783,388.20/19,105,037.25 = 9,332,395.17/x
  3. Step 3: Cross multiply
    12,783,388.20x = 19,105,037.25 × 9,332,395.17
  4. Step 4: Simplify right side
    12,783,388.20x = 178,295,757,327,912.75
  5. Step 5: Solve for x
    x = 178,295,757,327,912.75/12,783,388.20
  6. Step 6: Final answer
    x = 13,947,457.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.