Home / 18,723,428.32-28,086,114.96-5,944,933.60

Finding the Fourth Proportional to 18,723,428.32, 28,086,114.96 and 5,944,933.60

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Solution

The fourth proportional to 18,723,428.32, 28,086,114.96 and 5,944,933.60 is: 8,917,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,428.32 : 28,086,114.96 = 5,944,933.60 : x
  2. Step 2: Convert to fraction form
    18,723,428.32/28,086,114.96 = 5,944,933.60/x
  3. Step 3: Cross multiply
    18,723,428.32x = 28,086,114.96 × 5,944,933.60
  4. Step 4: Simplify right side
    18,723,428.32x = 166,970,088,519,166.66
  5. Step 5: Solve for x
    x = 166,970,088,519,166.66/18,723,428.32
  6. Step 6: Final answer
    x = 8,917,709.18

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Why These Related Problems?

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