Home / 12,166,568.30-16,789,839.81-6,659,944.70

Finding the Fourth Proportional to 12,166,568.30, 16,789,839.81 and 6,659,944.70

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Solution

The fourth proportional to 12,166,568.30, 16,789,839.81 and 6,659,944.70 is: 9,190,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,568.30 : 16,789,839.81 = 6,659,944.70 : x
  2. Step 2: Convert to fraction form
    12,166,568.30/16,789,839.81 = 6,659,944.70/x
  3. Step 3: Cross multiply
    12,166,568.30x = 16,789,839.81 × 6,659,944.70
  4. Step 4: Simplify right side
    12,166,568.30x = 111,819,404,572,509.30
  5. Step 5: Solve for x
    x = 111,819,404,572,509.30/12,166,568.30
  6. Step 6: Final answer
    x = 9,190,710.30

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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.