Home / 13,304,828.39-18,359,563.48-7,505,035.61

Finding the Fourth Proportional to 13,304,828.39, 18,359,563.48 and 7,505,035.61

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Solution

The fourth proportional to 13,304,828.39, 18,359,563.48 and 7,505,035.61 is: 10,356,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,828.39 : 18,359,563.48 = 7,505,035.61 : x
  2. Step 2: Convert to fraction form
    13,304,828.39/18,359,563.48 = 7,505,035.61/x
  3. Step 3: Cross multiply
    13,304,828.39x = 18,359,563.48 × 7,505,035.61
  4. Step 4: Simplify right side
    13,304,828.39x = 137,789,177,590,895.12
  5. Step 5: Solve for x
    x = 137,789,177,590,895.12/13,304,828.39
  6. Step 6: Final answer
    x = 10,356,328.82

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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.