Home / 20,823,219.96-31,243,750.44-8,052,692.72

Finding the Fourth Proportional to 20,823,219.96, 31,243,750.44 and 8,052,692.72

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Solution

The fourth proportional to 20,823,219.96, 31,243,750.44 and 8,052,692.72 is: 12,082,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,219.96 : 31,243,750.44 = 8,052,692.72 : x
  2. Step 2: Convert to fraction form
    20,823,219.96/31,243,750.44 = 8,052,692.72/x
  3. Step 3: Cross multiply
    20,823,219.96x = 31,243,750.44 × 8,052,692.72
  4. Step 4: Simplify right side
    20,823,219.96x = 251,596,321,713,684.81
  5. Step 5: Solve for x
    x = 251,596,321,713,684.81/20,823,219.96
  6. Step 6: Final answer
    x = 12,082,488.79

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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.