Home / 18,075,910.86-27,114,085.53-5,296,674.78

Finding the Fourth Proportional to 18,075,910.86, 27,114,085.53 and 5,296,674.78

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Solution

The fourth proportional to 18,075,910.86, 27,114,085.53 and 5,296,674.78 is: 7,945,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075,910.86 : 27,114,085.53 = 5,296,674.78 : x
  2. Step 2: Convert to fraction form
    18,075,910.86/27,114,085.53 = 5,296,674.78/x
  3. Step 3: Cross multiply
    18,075,910.86x = 27,114,085.53 × 5,296,674.78
  4. Step 4: Simplify right side
    18,075,910.86x = 143,614,493,009,513.94
  5. Step 5: Solve for x
    x = 143,614,493,009,513.94/18,075,910.86
  6. Step 6: Final answer
    x = 7,945,076.41

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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.