Home / 40,252,177.56-55,547,769.42-21,917,419.32

Finding the Fourth Proportional to 40,252,177.56, 55,547,769.42 and 21,917,419.32

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Solution

The fourth proportional to 40,252,177.56, 55,547,769.42 and 21,917,419.32 is: 30,245,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252,177.56 : 55,547,769.42 = 21,917,419.32 : x
  2. Step 2: Convert to fraction form
    40,252,177.56/55,547,769.42 = 21,917,419.32/x
  3. Step 3: Cross multiply
    40,252,177.56x = 55,547,769.42 × 21,917,419.32
  4. Step 4: Simplify right side
    40,252,177.56x = 1,217,463,754,668,813.25
  5. Step 5: Solve for x
    x = 1,217,463,754,668,813.25/40,252,177.56
  6. Step 6: Final answer
    x = 30,245,910.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.