Home / 7,859,966.87-11,789,950.31-2,180,191.17

Finding the Fourth Proportional to 7,859,966.87, 11,789,950.31 and 2,180,191.17

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Solution

The fourth proportional to 7,859,966.87, 11,789,950.31 and 2,180,191.17 is: 3,270,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,966.87 : 11,789,950.31 = 2,180,191.17 : x
  2. Step 2: Convert to fraction form
    7,859,966.87/11,789,950.31 = 2,180,191.17/x
  3. Step 3: Cross multiply
    7,859,966.87x = 11,789,950.31 × 2,180,191.17
  4. Step 4: Simplify right side
    7,859,966.87x = 25,704,345,549,699.80
  5. Step 5: Solve for x
    x = 25,704,345,549,699.80/7,859,966.87
  6. Step 6: Final answer
    x = 3,270,286.76

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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.