Home / 30,252,071.10-41,751,091.60-18,498,228.56

Finding the Fourth Proportional to 30,252,071.10, 41,751,091.60 and 18,498,228.56

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Solution

The fourth proportional to 30,252,071.10, 41,751,091.60 and 18,498,228.56 is: 25,529,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252,071.10 : 41,751,091.60 = 18,498,228.56 : x
  2. Step 2: Convert to fraction form
    30,252,071.10/41,751,091.60 = 18,498,228.56/x
  3. Step 3: Cross multiply
    30,252,071.10x = 41,751,091.60 × 18,498,228.56
  4. Step 4: Simplify right side
    30,252,071.10x = 772,321,235,046,296.12
  5. Step 5: Solve for x
    x = 772,321,235,046,296.12/30,252,071.10
  6. Step 6: Final answer
    x = 25,529,532.59

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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.