Home / 54,015,844.68-81,027,371.93-18,996,757.47

Finding the Fourth Proportional to 54,015,844.68, 81,027,371.93 and 18,996,757.47

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Solution

The fourth proportional to 54,015,844.68, 81,027,371.93 and 18,996,757.47 is: 28,496,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015,844.68 : 81,027,371.93 = 18,996,757.47 : x
  2. Step 2: Convert to fraction form
    54,015,844.68/81,027,371.93 = 18,996,757.47/x
  3. Step 3: Cross multiply
    54,015,844.68x = 81,027,371.93 × 18,996,757.47
  4. Step 4: Simplify right side
    54,015,844.68x = 1,539,257,332,890,712
  5. Step 5: Solve for x
    x = 1,539,257,332,890,712/54,015,844.68
  6. Step 6: Final answer
    x = 28,496,404.01

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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.