Home / 13,304,832.39-18,359,568.99-7,505,039.61

Finding the Fourth Proportional to 13,304,832.39, 18,359,568.99 and 7,505,039.61

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Solution

The fourth proportional to 13,304,832.39, 18,359,568.99 and 7,505,039.61 is: 10,356,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,832.39 : 18,359,568.99 = 7,505,039.61 : x
  2. Step 2: Convert to fraction form
    13,304,832.39/18,359,568.99 = 7,505,039.61/x
  3. Step 3: Cross multiply
    13,304,832.39x = 18,359,568.99 × 7,505,039.61
  4. Step 4: Simplify right side
    13,304,832.39x = 137,789,292,492,477.69
  5. Step 5: Solve for x
    x = 137,789,292,492,477.69/13,304,832.39
  6. Step 6: Final answer
    x = 10,356,334.33

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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.