Home / 22,143,470.20-33,187,211.70-19,736,020.60

Finding the Fourth Proportional to 22,143,470.20, 33,187,211.70 and 19,736,020.60

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Solution

The fourth proportional to 22,143,470.20, 33,187,211.70 and 19,736,020.60 is: 29,579,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,470.20 : 33,187,211.70 = 19,736,020.60 : x
  2. Step 2: Convert to fraction form
    22,143,470.20/33,187,211.70 = 19,736,020.60/x
  3. Step 3: Cross multiply
    22,143,470.20x = 33,187,211.70 × 19,736,020.60
  4. Step 4: Simplify right side
    22,143,470.20x = 654,983,493,767,761
  5. Step 5: Solve for x
    x = 654,983,493,767,761/22,143,470.20
  6. Step 6: Final answer
    x = 29,579,080.78

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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.