Home / 18,694,591.47-28,039,082.37-5,913,435.42

Finding the Fourth Proportional to 18,694,591.47, 28,039,082.37 and 5,913,435.42

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Solution

The fourth proportional to 18,694,591.47, 28,039,082.37 and 5,913,435.42 is: 8,869,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,591.47 : 28,039,082.37 = 5,913,435.42 : x
  2. Step 2: Convert to fraction form
    18,694,591.47/28,039,082.37 = 5,913,435.42/x
  3. Step 3: Cross multiply
    18,694,591.47x = 28,039,082.37 × 5,913,435.42
  4. Step 4: Simplify right side
    18,694,591.47x = 165,807,302,831,055.56
  5. Step 5: Solve for x
    x = 165,807,302,831,055.56/18,694,591.47
  6. Step 6: Final answer
    x = 8,869,265.91

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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.