Home / 28,981,912.40-43,478,117.40-14,568,707.60

Finding the Fourth Proportional to 28,981,912.40, 43,478,117.40 and 14,568,707.60

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Solution

The fourth proportional to 28,981,912.40, 43,478,117.40 and 14,568,707.60 is: 21,855,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981,912.40 : 43,478,117.40 = 14,568,707.60 : x
  2. Step 2: Convert to fraction form
    28,981,912.40/43,478,117.40 = 14,568,707.60/x
  3. Step 3: Cross multiply
    28,981,912.40x = 43,478,117.40 × 14,568,707.60
  4. Step 4: Simplify right side
    28,981,912.40x = 633,419,979,399,072.25
  5. Step 5: Solve for x
    x = 633,419,979,399,072.25/28,981,912.40
  6. Step 6: Final answer
    x = 21,855,699.88

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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.