Home / 31,417,855.56-43,361,965.44-18,185,115.60

Finding the Fourth Proportional to 31,417,855.56, 43,361,965.44 and 18,185,115.60

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Solution

The fourth proportional to 31,417,855.56, 43,361,965.44 and 18,185,115.60 is: 25,098,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417,855.56 : 43,361,965.44 = 18,185,115.60 : x
  2. Step 2: Convert to fraction form
    31,417,855.56/43,361,965.44 = 18,185,115.60/x
  3. Step 3: Cross multiply
    31,417,855.56x = 43,361,965.44 × 18,185,115.60
  4. Step 4: Simplify right side
    31,417,855.56x = 788,542,354,169,604.88
  5. Step 5: Solve for x
    x = 788,542,354,169,604.88/31,417,855.56
  6. Step 6: Final answer
    x = 25,098,541.58

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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.