Home / 55,285,576.20-82,928,364.30-18,888,510.71

Finding the Fourth Proportional to 55,285,576.20, 82,928,364.30 and 18,888,510.71

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Solution

The fourth proportional to 55,285,576.20, 82,928,364.30 and 18,888,510.71 is: 28,332,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285,576.20 : 82,928,364.30 = 18,888,510.71 : x
  2. Step 2: Convert to fraction form
    55,285,576.20/82,928,364.30 = 18,888,510.71/x
  3. Step 3: Cross multiply
    55,285,576.20x = 82,928,364.30 × 18,888,510.71
  4. Step 4: Simplify right side
    55,285,576.20x = 1,566,393,297,450,652.50
  5. Step 5: Solve for x
    x = 1,566,393,297,450,652.50/55,285,576.20
  6. Step 6: Final answer
    x = 28,332,766.07

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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.