Home / 13,745,685.67-18,967,936.30-7,944,843.13

Finding the Fourth Proportional to 13,745,685.67, 18,967,936.30 and 7,944,843.13

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Solution

The fourth proportional to 13,745,685.67, 18,967,936.30 and 7,944,843.13 is: 10,963,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,685.67 : 18,967,936.30 = 7,944,843.13 : x
  2. Step 2: Convert to fraction form
    13,745,685.67/18,967,936.30 = 7,944,843.13/x
  3. Step 3: Cross multiply
    13,745,685.67x = 18,967,936.30 × 7,944,843.13
  4. Step 4: Simplify right side
    13,745,685.67x = 150,697,278,403,332.62
  5. Step 5: Solve for x
    x = 150,697,278,403,332.62/13,745,685.67
  6. Step 6: Final answer
    x = 10,963,242.00

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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.