Home / 36,129,644.87-49,859,651.54-20,448,669.11

Finding the Fourth Proportional to 36,129,644.87, 49,859,651.54 and 20,448,669.11

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Solution

The fourth proportional to 36,129,644.87, 49,859,651.54 and 20,448,669.11 is: 28,219,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129,644.87 : 49,859,651.54 = 20,448,669.11 : x
  2. Step 2: Convert to fraction form
    36,129,644.87/49,859,651.54 = 20,448,669.11/x
  3. Step 3: Cross multiply
    36,129,644.87x = 49,859,651.54 × 20,448,669.11
  4. Step 4: Simplify right side
    36,129,644.87x = 1,019,563,516,179,118.50
  5. Step 5: Solve for x
    x = 1,019,563,516,179,118.50/36,129,644.87
  6. Step 6: Final answer
    x = 28,219,583.11

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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.