Home / 10,887,584.40-16,336,625.40-7,685,816.40

Finding the Fourth Proportional to 10,887,584.40, 16,336,625.40 and 7,685,816.40

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Solution

The fourth proportional to 10,887,584.40, 16,336,625.40 and 7,685,816.40 is: 11,532,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,584.40 : 16,336,625.40 = 7,685,816.40 : x
  2. Step 2: Convert to fraction form
    10,887,584.40/16,336,625.40 = 7,685,816.40/x
  3. Step 3: Cross multiply
    10,887,584.40x = 16,336,625.40 × 7,685,816.40
  4. Step 4: Simplify right side
    10,887,584.40x = 125,560,303,419,976.56
  5. Step 5: Solve for x
    x = 125,560,303,419,976.56/10,887,584.40
  6. Step 6: Final answer
    x = 11,532,429.86

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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.