Home / 54,015,846.93-81,027,375.30-18,996,759.72

Finding the Fourth Proportional to 54,015,846.93, 81,027,375.30 and 18,996,759.72

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Solution

The fourth proportional to 54,015,846.93, 81,027,375.30 and 18,996,759.72 is: 28,496,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015,846.93 : 81,027,375.30 = 18,996,759.72 : x
  2. Step 2: Convert to fraction form
    54,015,846.93/81,027,375.30 = 18,996,759.72/x
  3. Step 3: Cross multiply
    54,015,846.93x = 81,027,375.30 × 18,996,759.72
  4. Step 4: Simplify right side
    54,015,846.93x = 1,539,257,579,316,362.75
  5. Step 5: Solve for x
    x = 1,539,257,579,316,362.75/54,015,846.93
  6. Step 6: Final answer
    x = 28,496,407.38

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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.