Home / 42,906,982.06-64,353,577.74-11,775,365.38

Finding the Fourth Proportional to 42,906,982.06, 64,353,577.74 and 11,775,365.38

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Solution

The fourth proportional to 42,906,982.06, 64,353,577.74 and 11,775,365.38 is: 17,661,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906,982.06 : 64,353,577.74 = 11,775,365.38 : x
  2. Step 2: Convert to fraction form
    42,906,982.06/64,353,577.74 = 11,775,365.38/x
  3. Step 3: Cross multiply
    42,906,982.06x = 64,353,577.74 × 11,775,365.38
  4. Step 4: Simplify right side
    42,906,982.06x = 757,786,891,398,734.75
  5. Step 5: Solve for x
    x = 757,786,891,398,734.75/42,906,982.06
  6. Step 6: Final answer
    x = 17,661,155.71

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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.