Home / 20,695,635.60-31,043,453.40-9,907,383.30

Finding the Fourth Proportional to 20,695,635.60, 31,043,453.40 and 9,907,383.30

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Solution

The fourth proportional to 20,695,635.60, 31,043,453.40 and 9,907,383.30 is: 14,861,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,635.60 : 31,043,453.40 = 9,907,383.30 : x
  2. Step 2: Convert to fraction form
    20,695,635.60/31,043,453.40 = 9,907,383.30/x
  3. Step 3: Cross multiply
    20,695,635.60x = 31,043,453.40 × 9,907,383.30
  4. Step 4: Simplify right side
    20,695,635.60x = 307,559,391,789,488.25
  5. Step 5: Solve for x
    x = 307,559,391,789,488.25/20,695,635.60
  6. Step 6: Final answer
    x = 14,861,074.95

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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.