Home / 31,008,912.50-46,509,819.66-8,291,581.22

Finding the Fourth Proportional to 31,008,912.50, 46,509,819.66 and 8,291,581.22

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Solution

The fourth proportional to 31,008,912.50, 46,509,819.66 and 8,291,581.22 is: 12,436,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,912.50 : 46,509,819.66 = 8,291,581.22 : x
  2. Step 2: Convert to fraction form
    31,008,912.50/46,509,819.66 = 8,291,581.22/x
  3. Step 3: Cross multiply
    31,008,912.50x = 46,509,819.66 × 8,291,581.22
  4. Step 4: Simplify right side
    31,008,912.50x = 385,639,947,354,717.31
  5. Step 5: Solve for x
    x = 385,639,947,354,717.31/31,008,912.50
  6. Step 6: Final answer
    x = 12,436,422.83

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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.