Home / 8,509,063.91-12,763,706.92-2,829,288.20

Finding the Fourth Proportional to 8,509,063.91, 12,763,706.92 and 2,829,288.20

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Solution

The fourth proportional to 8,509,063.91, 12,763,706.92 and 2,829,288.20 is: 4,243,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,063.91 : 12,763,706.92 = 2,829,288.20 : x
  2. Step 2: Convert to fraction form
    8,509,063.91/12,763,706.92 = 2,829,288.20/x
  3. Step 3: Cross multiply
    8,509,063.91x = 12,763,706.92 × 2,829,288.20
  4. Step 4: Simplify right side
    8,509,063.91x = 36,112,205,306,122.59
  5. Step 5: Solve for x
    x = 36,112,205,306,122.59/8,509,063.91
  6. Step 6: Final answer
    x = 4,243,969.22

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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.