Home / 8,621,555.76-12,932,639.16-2,144,664.85

Finding the Fourth Proportional to 8,621,555.76, 12,932,639.16 and 2,144,664.85

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Solution

The fourth proportional to 8,621,555.76, 12,932,639.16 and 2,144,664.85 is: 3,217,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,555.76 : 12,932,639.16 = 2,144,664.85 : x
  2. Step 2: Convert to fraction form
    8,621,555.76/12,932,639.16 = 2,144,664.85/x
  3. Step 3: Cross multiply
    8,621,555.76x = 12,932,639.16 × 2,144,664.85
  4. Step 4: Simplify right side
    8,621,555.76x = 27,736,176,624,185.53
  5. Step 5: Solve for x
    x = 27,736,176,624,185.53/8,621,555.76
  6. Step 6: Final answer
    x = 3,217,073.27

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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.