Home / 20,823,220.46-31,243,751.19-8,052,693.22

Finding the Fourth Proportional to 20,823,220.46, 31,243,751.19 and 8,052,693.22

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Solution

The fourth proportional to 20,823,220.46, 31,243,751.19 and 8,052,693.22 is: 12,082,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,220.46 : 31,243,751.19 = 8,052,693.22 : x
  2. Step 2: Convert to fraction form
    20,823,220.46/31,243,751.19 = 8,052,693.22/x
  3. Step 3: Cross multiply
    20,823,220.46x = 31,243,751.19 × 8,052,693.22
  4. Step 4: Simplify right side
    20,823,220.46x = 251,596,343,375,079.94
  5. Step 5: Solve for x
    x = 251,596,343,375,079.94/20,823,220.46
  6. Step 6: Final answer
    x = 12,082,489.54

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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.