Home / 40,970,118.51-61,489,659.45-20,493,704.07

Finding the Fourth Proportional to 40,970,118.51, 61,489,659.45 and 20,493,704.07

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Solution

The fourth proportional to 40,970,118.51, 61,489,659.45 and 20,493,704.07 is: 30,757,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970,118.51 : 61,489,659.45 = 20,493,704.07 : x
  2. Step 2: Convert to fraction form
    40,970,118.51/61,489,659.45 = 20,493,704.07/x
  3. Step 3: Cross multiply
    40,970,118.51x = 61,489,659.45 × 20,493,704.07
  4. Step 4: Simplify right side
    40,970,118.51x = 1,260,150,884,133,379
  5. Step 5: Solve for x
    x = 1,260,150,884,133,379/40,970,118.51
  6. Step 6: Final answer
    x = 30,757,804.22

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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.