Home / 7,928,214.87-10,942,470.32-5,170,113.92

Finding the Fourth Proportional to 7,928,214.87, 10,942,470.32 and 5,170,113.92

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Solution

The fourth proportional to 7,928,214.87, 10,942,470.32 and 5,170,113.92 is: 7,135,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,214.87 : 10,942,470.32 = 5,170,113.92 : x
  2. Step 2: Convert to fraction form
    7,928,214.87/10,942,470.32 = 5,170,113.92/x
  3. Step 3: Cross multiply
    7,928,214.87x = 10,942,470.32 × 5,170,113.92
  4. Step 4: Simplify right side
    7,928,214.87x = 56,573,818,122,124.46
  5. Step 5: Solve for x
    x = 56,573,818,122,124.46/7,928,214.87
  6. Step 6: Final answer
    x = 7,135,757.42

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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.