Home / 13,065,441.46-18,029,837.97-7,185,026.14

Finding the Fourth Proportional to 13,065,441.46, 18,029,837.97 and 7,185,026.14

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Solution

The fourth proportional to 13,065,441.46, 18,029,837.97 and 7,185,026.14 is: 9,915,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,441.46 : 18,029,837.97 = 7,185,026.14 : x
  2. Step 2: Convert to fraction form
    13,065,441.46/18,029,837.97 = 7,185,026.14/x
  3. Step 3: Cross multiply
    13,065,441.46x = 18,029,837.97 × 7,185,026.14
  4. Step 4: Simplify right side
    13,065,441.46x = 129,544,857,114,414.52
  5. Step 5: Solve for x
    x = 129,544,857,114,414.52/13,065,441.46
  6. Step 6: Final answer
    x = 9,915,076.92

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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.