Home / 22,385,645.60-33,578,468.40-20,668,704.80

Finding the Fourth Proportional to 22,385,645.60, 33,578,468.40 and 20,668,704.80

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Solution

The fourth proportional to 22,385,645.60, 33,578,468.40 and 20,668,704.80 is: 31,003,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385,645.60 : 33,578,468.40 = 20,668,704.80 : x
  2. Step 2: Convert to fraction form
    22,385,645.60/33,578,468.40 = 20,668,704.80/x
  3. Step 3: Cross multiply
    22,385,645.60x = 33,578,468.40 × 20,668,704.80
  4. Step 4: Simplify right side
    22,385,645.60x = 694,023,450,995,728.38
  5. Step 5: Solve for x
    x = 694,023,450,995,728.38/22,385,645.60
  6. Step 6: Final answer
    x = 31,003,057.20

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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.