Home / 29,974,467.12-41,365,520.52-18,378,424.44

Finding the Fourth Proportional to 29,974,467.12, 41,365,520.52 and 18,378,424.44

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Solution

The fourth proportional to 29,974,467.12, 41,365,520.52 and 18,378,424.44 is: 25,362,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,974,467.12 : 41,365,520.52 = 18,378,424.44 : x
  2. Step 2: Convert to fraction form
    29,974,467.12/41,365,520.52 = 18,378,424.44/x
  3. Step 3: Cross multiply
    29,974,467.12x = 41,365,520.52 × 18,378,424.44
  4. Step 4: Simplify right side
    29,974,467.12x = 760,233,093,298,089.62
  5. Step 5: Solve for x
    x = 760,233,093,298,089.62/29,974,467.12
  6. Step 6: Final answer
    x = 25,362,689.19

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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.