Home / 20,166,479.85-30,209,861.70-11,052,266.70

Finding the Fourth Proportional to 20,166,479.85, 30,209,861.70 and 11,052,266.70

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Solution

The fourth proportional to 20,166,479.85, 30,209,861.70 and 11,052,266.70 is: 16,556,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,479.85 : 30,209,861.70 = 11,052,266.70 : x
  2. Step 2: Convert to fraction form
    20,166,479.85/30,209,861.70 = 11,052,266.70/x
  3. Step 3: Cross multiply
    20,166,479.85x = 30,209,861.70 × 11,052,266.70
  4. Step 4: Simplify right side
    20,166,479.85x = 333,887,448,478,515.38
  5. Step 5: Solve for x
    x = 333,887,448,478,515.38/20,166,479.85
  6. Step 6: Final answer
    x = 16,556,555.78

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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.