Home / 31,407,268-47,110,912.92-9,843,542.80

Finding the Fourth Proportional to 31,407,268, 47,110,912.92 and 9,843,542.80

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Solution

The fourth proportional to 31,407,268, 47,110,912.92 and 9,843,542.80 is: 14,765,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407,268 : 47,110,912.92 = 9,843,542.80 : x
  2. Step 2: Convert to fraction form
    31,407,268/47,110,912.92 = 9,843,542.80/x
  3. Step 3: Cross multiply
    31,407,268x = 47,110,912.92 × 9,843,542.80
  4. Step 4: Simplify right side
    31,407,268x = 463,738,287,675,093
  5. Step 5: Solve for x
    x = 463,738,287,675,093/31,407,268
  6. Step 6: Final answer
    x = 14,765,317.62

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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.