Home / 13,494,141.60-18,622,125.36-7,382,672.16

Finding the Fourth Proportional to 13,494,141.60, 18,622,125.36 and 7,382,672.16

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Solution

The fourth proportional to 13,494,141.60, 18,622,125.36 and 7,382,672.16 is: 10,188,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,141.60 : 18,622,125.36 = 7,382,672.16 : x
  2. Step 2: Convert to fraction form
    13,494,141.60/18,622,125.36 = 7,382,672.16/x
  3. Step 3: Cross multiply
    13,494,141.60x = 18,622,125.36 × 7,382,672.16
  4. Step 4: Simplify right side
    13,494,141.60x = 137,481,046,455,301.97
  5. Step 5: Solve for x
    x = 137,481,046,455,301.97/13,494,141.60
  6. Step 6: Final answer
    x = 10,188,202.45

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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.