Home / 13,144,065.44-18,231,608-12,794,495.36

Finding the Fourth Proportional to 13,144,065.44, 18,231,608 and 12,794,495.36

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Solution

The fourth proportional to 13,144,065.44, 18,231,608 and 12,794,495.36 is: 17,746,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,065.44 : 18,231,608 = 12,794,495.36 : x
  2. Step 2: Convert to fraction form
    13,144,065.44/18,231,608 = 12,794,495.36/x
  3. Step 3: Cross multiply
    13,144,065.44x = 18,231,608 × 12,794,495.36
  4. Step 4: Simplify right side
    13,144,065.44x = 233,264,223,961,338.88
  5. Step 5: Solve for x
    x = 233,264,223,961,338.88/13,144,065.44
  6. Step 6: Final answer
    x = 17,746,733.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.