Home / 21,057,033.20-29,058,171-11,764,674.80

Finding the Fourth Proportional to 21,057,033.20, 29,058,171 and 11,764,674.80

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Solution

The fourth proportional to 21,057,033.20, 29,058,171 and 11,764,674.80 is: 16,234,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,033.20 : 29,058,171 = 11,764,674.80 : x
  2. Step 2: Convert to fraction form
    21,057,033.20/29,058,171 = 11,764,674.80/x
  3. Step 3: Cross multiply
    21,057,033.20x = 29,058,171 × 11,764,674.80
  4. Step 4: Simplify right side
    21,057,033.20x = 341,859,932,097,790.81
  5. Step 5: Solve for x
    x = 341,859,932,097,790.81/21,057,033.20
  6. Step 6: Final answer
    x = 16,234,952.42

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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.