Home / 28,263,717.40-42,458,561.70-27,115,979.80

Finding the Fourth Proportional to 28,263,717.40, 42,458,561.70 and 27,115,979.80

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Solution

The fourth proportional to 28,263,717.40, 42,458,561.70 and 27,115,979.80 is: 40,734,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,717.40 : 42,458,561.70 = 27,115,979.80 : x
  2. Step 2: Convert to fraction form
    28,263,717.40/42,458,561.70 = 27,115,979.80/x
  3. Step 3: Cross multiply
    28,263,717.40x = 42,458,561.70 × 27,115,979.80
  4. Step 4: Simplify right side
    28,263,717.40x = 1,151,305,501,394,253.75
  5. Step 5: Solve for x
    x = 1,151,305,501,394,253.75/28,263,717.40
  6. Step 6: Final answer
    x = 40,734,397.57

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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.