Home / 31,804,969.60-43,889,660.64-19,435,745.92

Finding the Fourth Proportional to 31,804,969.60, 43,889,660.64 and 19,435,745.92

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Solution

The fourth proportional to 31,804,969.60, 43,889,660.64 and 19,435,745.92 is: 26,820,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804,969.60 : 43,889,660.64 = 19,435,745.92 : x
  2. Step 2: Convert to fraction form
    31,804,969.60/43,889,660.64 = 19,435,745.92/x
  3. Step 3: Cross multiply
    31,804,969.60x = 43,889,660.64 × 19,435,745.92
  4. Step 4: Simplify right side
    31,804,969.60x = 853,028,292,714,064.62
  5. Step 5: Solve for x
    x = 853,028,292,714,064.62/31,804,969.60
  6. Step 6: Final answer
    x = 26,820,597.64

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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.