Home / 20,184,892.20-30,285,632.70-7,411,516.20

Finding the Fourth Proportional to 20,184,892.20, 30,285,632.70 and 7,411,516.20

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Solution

The fourth proportional to 20,184,892.20, 30,285,632.70 and 7,411,516.20 is: 11,120,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,892.20 : 30,285,632.70 = 7,411,516.20 : x
  2. Step 2: Convert to fraction form
    20,184,892.20/30,285,632.70 = 7,411,516.20/x
  3. Step 3: Cross multiply
    20,184,892.20x = 30,285,632.70 × 7,411,516.20
  4. Step 4: Simplify right side
    20,184,892.20x = 224,462,457,383,299.75
  5. Step 5: Solve for x
    x = 224,462,457,383,299.75/20,184,892.20
  6. Step 6: Final answer
    x = 11,120,319.85

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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.