Home / 22,143,400.80-33,215,101.20-18,635,890.20

Finding the Fourth Proportional to 22,143,400.80, 33,215,101.20 and 18,635,890.20

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Solution

The fourth proportional to 22,143,400.80, 33,215,101.20 and 18,635,890.20 is: 27,953,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,400.80 : 33,215,101.20 = 18,635,890.20 : x
  2. Step 2: Convert to fraction form
    22,143,400.80/33,215,101.20 = 18,635,890.20/x
  3. Step 3: Cross multiply
    22,143,400.80x = 33,215,101.20 × 18,635,890.20
  4. Step 4: Simplify right side
    22,143,400.80x = 618,992,978,945,088.25
  5. Step 5: Solve for x
    x = 618,992,978,945,088.25/22,143,400.80
  6. Step 6: Final answer
    x = 27,953,835.30

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1.5x scale

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.