Home / 15,189,015.42-20,961,787.90-8,574,723.56

Finding the Fourth Proportional to 15,189,015.42, 20,961,787.90 and 8,574,723.56

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Solution

The fourth proportional to 15,189,015.42, 20,961,787.90 and 8,574,723.56 is: 11,833,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,015.42 : 20,961,787.90 = 8,574,723.56 : x
  2. Step 2: Convert to fraction form
    15,189,015.42/20,961,787.90 = 8,574,723.56/x
  3. Step 3: Cross multiply
    15,189,015.42x = 20,961,787.90 × 8,574,723.56
  4. Step 4: Simplify right side
    15,189,015.42x = 179,741,536,596,820.59
  5. Step 5: Solve for x
    x = 179,741,536,596,820.59/15,189,015.42
  6. Step 6: Final answer
    x = 11,833,652.91

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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.