Home / 16,993,330.48-25,490,020.77-12,972,647.44

Finding the Fourth Proportional to 16,993,330.48, 25,490,020.77 and 12,972,647.44

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Solution

The fourth proportional to 16,993,330.48, 25,490,020.77 and 12,972,647.44 is: 19,458,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993,330.48 : 25,490,020.77 = 12,972,647.44 : x
  2. Step 2: Convert to fraction form
    16,993,330.48/25,490,020.77 = 12,972,647.44/x
  3. Step 3: Cross multiply
    16,993,330.48x = 25,490,020.77 × 12,972,647.44
  4. Step 4: Simplify right side
    16,993,330.48x = 330,673,052,687,487.31
  5. Step 5: Solve for x
    x = 330,673,052,687,487.31/16,993,330.48
  6. Step 6: Final answer
    x = 19,458,990.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.