Home / 31,577,426.78-43,580,629.96-19,189,544.36

Finding the Fourth Proportional to 31,577,426.78, 43,580,629.96 and 19,189,544.36

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Solution

The fourth proportional to 31,577,426.78, 43,580,629.96 and 19,189,544.36 is: 26,483,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577,426.78 : 43,580,629.96 = 19,189,544.36 : x
  2. Step 2: Convert to fraction form
    31,577,426.78/43,580,629.96 = 19,189,544.36/x
  3. Step 3: Cross multiply
    31,577,426.78x = 43,580,629.96 × 19,189,544.36
  4. Step 4: Simplify right side
    31,577,426.78x = 836,292,431,854,165
  5. Step 5: Solve for x
    x = 836,292,431,854,165/31,577,426.78
  6. Step 6: Final answer
    x = 26,483,868.93

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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.