Home / 7,021,932.12-9,689,776.88-3,965,555.88

Finding the Fourth Proportional to 7,021,932.12, 9,689,776.88 and 3,965,555.88

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Solution

The fourth proportional to 7,021,932.12, 9,689,776.88 and 3,965,555.88 is: 5,472,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,932.12 : 9,689,776.88 = 3,965,555.88 : x
  2. Step 2: Convert to fraction form
    7,021,932.12/9,689,776.88 = 3,965,555.88/x
  3. Step 3: Cross multiply
    7,021,932.12x = 9,689,776.88 × 3,965,555.88
  4. Step 4: Simplify right side
    7,021,932.12x = 38,425,351,662,544.27
  5. Step 5: Solve for x
    x = 38,425,351,662,544.27/7,021,932.12
  6. Step 6: Final answer
    x = 5,472,190.70

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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.