Home / 20,682,044.30-31,023,066.46-5,535,975.80

Finding the Fourth Proportional to 20,682,044.30, 31,023,066.46 and 5,535,975.80

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Solution

The fourth proportional to 20,682,044.30, 31,023,066.46 and 5,535,975.80 is: 8,303,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,044.30 : 31,023,066.46 = 5,535,975.80 : x
  2. Step 2: Convert to fraction form
    20,682,044.30/31,023,066.46 = 5,535,975.80/x
  3. Step 3: Cross multiply
    20,682,044.30x = 31,023,066.46 × 5,535,975.80
  4. Step 4: Simplify right side
    20,682,044.30x = 171,742,945,164,351.66
  5. Step 5: Solve for x
    x = 171,742,945,164,351.66/20,682,044.30
  6. Step 6: Final answer
    x = 8,303,963.70

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Similar ratio
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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.