Home / 40,179,021.51-55,458,849.72-26,242,507.08

Finding the Fourth Proportional to 40,179,021.51, 55,458,849.72 and 26,242,507.08

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Solution

The fourth proportional to 40,179,021.51, 55,458,849.72 and 26,242,507.08 is: 36,222,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179,021.51 : 55,458,849.72 = 26,242,507.08 : x
  2. Step 2: Convert to fraction form
    40,179,021.51/55,458,849.72 = 26,242,507.08/x
  3. Step 3: Cross multiply
    40,179,021.51x = 55,458,849.72 × 26,242,507.08
  4. Step 4: Simplify right side
    40,179,021.51x = 1,455,379,256,425,756
  5. Step 5: Solve for x
    x = 1,455,379,256,425,756/40,179,021.51
  6. Step 6: Final answer
    x = 36,222,366.84

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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.