Home / 7,664,947.52-11,462,910.36-6,817,003.88

Finding the Fourth Proportional to 7,664,947.52, 11,462,910.36 and 6,817,003.88

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Solution

The fourth proportional to 7,664,947.52, 11,462,910.36 and 6,817,003.88 is: 10,194,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664,947.52 : 11,462,910.36 = 6,817,003.88 : x
  2. Step 2: Convert to fraction form
    7,664,947.52/11,462,910.36 = 6,817,003.88/x
  3. Step 3: Cross multiply
    7,664,947.52x = 11,462,910.36 × 6,817,003.88
  4. Step 4: Simplify right side
    7,664,947.52x = 78,142,704,400,212.19
  5. Step 5: Solve for x
    x = 78,142,704,400,212.19/7,664,947.52
  6. Step 6: Final answer
    x = 10,194,812.71

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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.