Home / 22,247,130.80-33,395,579.40-20,785,242.80

Finding the Fourth Proportional to 22,247,130.80, 33,395,579.40 and 20,785,242.80

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Solution

The fourth proportional to 22,247,130.80, 33,395,579.40 and 20,785,242.80 is: 31,201,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,130.80 : 33,395,579.40 = 20,785,242.80 : x
  2. Step 2: Convert to fraction form
    22,247,130.80/33,395,579.40 = 20,785,242.80/x
  3. Step 3: Cross multiply
    22,247,130.80x = 33,395,579.40 × 20,785,242.80
  4. Step 4: Simplify right side
    22,247,130.80x = 694,135,226,275,678.38
  5. Step 5: Solve for x
    x = 694,135,226,275,678.38/22,247,130.80
  6. Step 6: Final answer
    x = 31,201,112.29

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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.