Home / 8,280,574.92-12,422,028.78-2,888,438.94

Finding the Fourth Proportional to 8,280,574.92, 12,422,028.78 and 2,888,438.94

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Solution

The fourth proportional to 8,280,574.92, 12,422,028.78 and 2,888,438.94 is: 4,333,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,574.92 : 12,422,028.78 = 2,888,438.94 : x
  2. Step 2: Convert to fraction form
    8,280,574.92/12,422,028.78 = 2,888,438.94/x
  3. Step 3: Cross multiply
    8,280,574.92x = 12,422,028.78 × 2,888,438.94
  4. Step 4: Simplify right side
    8,280,574.92x = 35,880,271,641,952.69
  5. Step 5: Solve for x
    x = 35,880,271,641,952.69/8,280,574.92
  6. Step 6: Final answer
    x = 4,333,065.27

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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.