Home / 7,680,113.87-11,520,613.67-2,887,844.65

Finding the Fourth Proportional to 7,680,113.87, 11,520,613.67 and 2,887,844.65

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Solution

The fourth proportional to 7,680,113.87, 11,520,613.67 and 2,887,844.65 is: 4,331,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,113.87 : 11,520,613.67 = 2,887,844.65 : x
  2. Step 2: Convert to fraction form
    7,680,113.87/11,520,613.67 = 2,887,844.65/x
  3. Step 3: Cross multiply
    7,680,113.87x = 11,520,613.67 × 2,887,844.65
  4. Step 4: Simplify right side
    7,680,113.87x = 33,269,742,597,556.70
  5. Step 5: Solve for x
    x = 33,269,742,597,556.70/7,680,113.87
  6. Step 6: Final answer
    x = 4,331,933.50

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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.