Home / 18,750,005.82-28,068,973.43-11,341,633.43

Finding the Fourth Proportional to 18,750,005.82, 28,068,973.43 and 11,341,633.43

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Solution

The fourth proportional to 18,750,005.82, 28,068,973.43 and 11,341,633.43 is: 16,978,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,005.82 : 28,068,973.43 = 11,341,633.43 : x
  2. Step 2: Convert to fraction form
    18,750,005.82/28,068,973.43 = 11,341,633.43/x
  3. Step 3: Cross multiply
    18,750,005.82x = 28,068,973.43 × 11,341,633.43
  4. Step 4: Simplify right side
    18,750,005.82x = 318,348,007,399,469.75
  5. Step 5: Solve for x
    x = 318,348,007,399,469.75/18,750,005.82
  6. Step 6: Final answer
    x = 16,978,555.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.