Home / 5,285,908.80-7,928,863.20-5,153,048.55

Finding the Fourth Proportional to 5,285,908.80, 7,928,863.20 and 5,153,048.55

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Solution

The fourth proportional to 5,285,908.80, 7,928,863.20 and 5,153,048.55 is: 7,729,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,908.80 : 7,928,863.20 = 5,153,048.55 : x
  2. Step 2: Convert to fraction form
    5,285,908.80/7,928,863.20 = 5,153,048.55/x
  3. Step 3: Cross multiply
    5,285,908.80x = 7,928,863.20 × 5,153,048.55
  4. Step 4: Simplify right side
    5,285,908.80x = 40,857,817,015,908.36
  5. Step 5: Solve for x
    x = 40,857,817,015,908.36/5,285,908.80
  6. Step 6: Final answer
    x = 7,729,572.83

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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.