Home / 13,589,648.65-18,753,477.85-7,394,486.37

Finding the Fourth Proportional to 13,589,648.65, 18,753,477.85 and 7,394,486.37

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Solution

The fourth proportional to 13,589,648.65, 18,753,477.85 and 7,394,486.37 is: 10,204,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,648.65 : 18,753,477.85 = 7,394,486.37 : x
  2. Step 2: Convert to fraction form
    13,589,648.65/18,753,477.85 = 7,394,486.37/x
  3. Step 3: Cross multiply
    13,589,648.65x = 18,753,477.85 × 7,394,486.37
  4. Step 4: Simplify right side
    13,589,648.65x = 138,672,336,351,921.92
  5. Step 5: Solve for x
    x = 138,672,336,351,921.92/13,589,648.65
  6. Step 6: Final answer
    x = 10,204,262.08

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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.