Home / 20,514,667.20-30,772,000.80-18,530,620.80

Finding the Fourth Proportional to 20,514,667.20, 30,772,000.80 and 18,530,620.80

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Solution

The fourth proportional to 20,514,667.20, 30,772,000.80 and 18,530,620.80 is: 27,795,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,667.20 : 30,772,000.80 = 18,530,620.80 : x
  2. Step 2: Convert to fraction form
    20,514,667.20/30,772,000.80 = 18,530,620.80/x
  3. Step 3: Cross multiply
    20,514,667.20x = 30,772,000.80 × 18,530,620.80
  4. Step 4: Simplify right side
    20,514,667.20x = 570,224,278,082,096.62
  5. Step 5: Solve for x
    x = 570,224,278,082,096.62/20,514,667.20
  6. Step 6: Final answer
    x = 27,795,931.20

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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.