Home / 48,318,849.87-66,657,961.92-28,728,589.59

Finding the Fourth Proportional to 48,318,849.87, 66,657,961.92 and 28,728,589.59

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Solution

The fourth proportional to 48,318,849.87, 66,657,961.92 and 28,728,589.59 is: 39,632,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318,849.87 : 66,657,961.92 = 28,728,589.59 : x
  2. Step 2: Convert to fraction form
    48,318,849.87/66,657,961.92 = 28,728,589.59/x
  3. Step 3: Cross multiply
    48,318,849.87x = 66,657,961.92 × 28,728,589.59
  4. Step 4: Simplify right side
    48,318,849.87x = 1,914,989,230,905,528.50
  5. Step 5: Solve for x
    x = 1,914,989,230,905,528.50/48,318,849.87
  6. Step 6: Final answer
    x = 39,632,342.99

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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.