Home / 20,160,683.30-30,244,961.55-8,028,082.10

Finding the Fourth Proportional to 20,160,683.30, 30,244,961.55 and 8,028,082.10

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Solution

The fourth proportional to 20,160,683.30, 30,244,961.55 and 8,028,082.10 is: 12,043,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,683.30 : 30,244,961.55 = 8,028,082.10 : x
  2. Step 2: Convert to fraction form
    20,160,683.30/30,244,961.55 = 8,028,082.10/x
  3. Step 3: Cross multiply
    20,160,683.30x = 30,244,961.55 × 8,028,082.10
  4. Step 4: Simplify right side
    20,160,683.30x = 242,809,034,434,743.25
  5. Step 5: Solve for x
    x = 242,809,034,434,743.25/20,160,683.30
  6. Step 6: Final answer
    x = 12,043,690.72

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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.