Home / 36,988,727.92-55,505,010.75-20,607,723.40

Finding the Fourth Proportional to 36,988,727.92, 55,505,010.75 and 20,607,723.40

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Solution

The fourth proportional to 36,988,727.92, 55,505,010.75 and 20,607,723.40 is: 30,923,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988,727.92 : 55,505,010.75 = 20,607,723.40 : x
  2. Step 2: Convert to fraction form
    36,988,727.92/55,505,010.75 = 20,607,723.40/x
  3. Step 3: Cross multiply
    36,988,727.92x = 55,505,010.75 × 20,607,723.40
  4. Step 4: Simplify right side
    36,988,727.92x = 1,143,831,908,850,026.50
  5. Step 5: Solve for x
    x = 1,143,831,908,850,026.50/36,988,727.92
  6. Step 6: Final answer
    x = 30,923,796.87

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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.