Home / 15,289,546.32-21,099,576.92-8,414,028.40

Finding the Fourth Proportional to 15,289,546.32, 21,099,576.92 and 8,414,028.40

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Solution

The fourth proportional to 15,289,546.32, 21,099,576.92 and 8,414,028.40 is: 11,611,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,546.32 : 21,099,576.92 = 8,414,028.40 : x
  2. Step 2: Convert to fraction form
    15,289,546.32/21,099,576.92 = 8,414,028.40/x
  3. Step 3: Cross multiply
    15,289,546.32x = 21,099,576.92 × 8,414,028.40
  4. Step 4: Simplify right side
    15,289,546.32x = 177,532,439,432,864.56
  5. Step 5: Solve for x
    x = 177,532,439,432,864.56/15,289,546.32
  6. Step 6: Final answer
    x = 11,611,360.84

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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.