Home / 13,039,896.20-19,544,097.90-6,646,857.80

Finding the Fourth Proportional to 13,039,896.20, 19,544,097.90 and 6,646,857.80

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Solution

The fourth proportional to 13,039,896.20, 19,544,097.90 and 6,646,857.80 is: 9,962,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,896.20 : 19,544,097.90 = 6,646,857.80 : x
  2. Step 2: Convert to fraction form
    13,039,896.20/19,544,097.90 = 6,646,857.80/x
  3. Step 3: Cross multiply
    13,039,896.20x = 19,544,097.90 × 6,646,857.80
  4. Step 4: Simplify right side
    13,039,896.20x = 129,906,839,570,578.61
  5. Step 5: Solve for x
    x = 129,906,839,570,578.61/13,039,896.20
  6. Step 6: Final answer
    x = 9,962,260.25

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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.