Home / 15,009,581.82-20,715,444.49-9,503,467.60

Finding the Fourth Proportional to 15,009,581.82, 20,715,444.49 and 9,503,467.60

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Solution

The fourth proportional to 15,009,581.82, 20,715,444.49 and 9,503,467.60 is: 13,116,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,581.82 : 20,715,444.49 = 9,503,467.60 : x
  2. Step 2: Convert to fraction form
    15,009,581.82/20,715,444.49 = 9,503,467.60/x
  3. Step 3: Cross multiply
    15,009,581.82x = 20,715,444.49 × 9,503,467.60
  4. Step 4: Simplify right side
    15,009,581.82x = 196,868,555,530,313.50
  5. Step 5: Solve for x
    x = 196,868,555,530,313.50/15,009,581.82
  6. Step 6: Final answer
    x = 13,116,191.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.