Home / 20,762,771.80-31,144,157.70-11,804,819.80

Finding the Fourth Proportional to 20,762,771.80, 31,144,157.70 and 11,804,819.80

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Solution

The fourth proportional to 20,762,771.80, 31,144,157.70 and 11,804,819.80 is: 17,707,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762,771.80 : 31,144,157.70 = 11,804,819.80 : x
  2. Step 2: Convert to fraction form
    20,762,771.80/31,144,157.70 = 11,804,819.80/x
  3. Step 3: Cross multiply
    20,762,771.80x = 31,144,157.70 × 11,804,819.80
  4. Step 4: Simplify right side
    20,762,771.80x = 367,651,169,471,282.50
  5. Step 5: Solve for x
    x = 367,651,169,471,282.50/20,762,771.80
  6. Step 6: Final answer
    x = 17,707,229.70

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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.