Home / 20,823,221.46-31,243,752.69-8,052,694.22

Finding the Fourth Proportional to 20,823,221.46, 31,243,752.69 and 8,052,694.22

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Solution

The fourth proportional to 20,823,221.46, 31,243,752.69 and 8,052,694.22 is: 12,082,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,221.46 : 31,243,752.69 = 8,052,694.22 : x
  2. Step 2: Convert to fraction form
    20,823,221.46/31,243,752.69 = 8,052,694.22/x
  3. Step 3: Cross multiply
    20,823,221.46x = 31,243,752.69 × 8,052,694.22
  4. Step 4: Simplify right side
    20,823,221.46x = 251,596,386,697,872.47
  5. Step 5: Solve for x
    x = 251,596,386,697,872.47/20,823,221.46
  6. Step 6: Final answer
    x = 12,082,491.04

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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.