Home / 14,131,756.20-21,172,751.10-11,593,669.80

Finding the Fourth Proportional to 14,131,756.20, 21,172,751.10 and 11,593,669.80

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Solution

The fourth proportional to 14,131,756.20, 21,172,751.10 and 11,593,669.80 is: 17,370,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,756.20 : 21,172,751.10 = 11,593,669.80 : x
  2. Step 2: Convert to fraction form
    14,131,756.20/21,172,751.10 = 11,593,669.80/x
  3. Step 3: Cross multiply
    14,131,756.20x = 21,172,751.10 × 11,593,669.80
  4. Step 4: Simplify right side
    14,131,756.20x = 245,469,885,010,986.81
  5. Step 5: Solve for x
    x = 245,469,885,010,986.81/14,131,756.20
  6. Step 6: Final answer
    x = 17,370,090.56

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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.