Home / 31,008,940.52-46,509,861.78-8,291,609.24

Finding the Fourth Proportional to 31,008,940.52, 46,509,861.78 and 8,291,609.24

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Solution

The fourth proportional to 31,008,940.52, 46,509,861.78 and 8,291,609.24 is: 12,436,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,940.52 : 46,509,861.78 = 8,291,609.24 : x
  2. Step 2: Convert to fraction form
    31,008,940.52/46,509,861.78 = 8,291,609.24/x
  3. Step 3: Cross multiply
    31,008,940.52x = 46,509,861.78 × 8,291,609.24
  4. Step 4: Simplify right side
    31,008,940.52x = 385,641,599,686,170.88
  5. Step 5: Solve for x
    x = 385,641,599,686,170.88/31,008,940.52
  6. Step 6: Final answer
    x = 12,436,464.88

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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.