Home / 15,289,534.43-21,099,560.50-8,414,016.50

Finding the Fourth Proportional to 15,289,534.43, 21,099,560.50 and 8,414,016.50

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Solution

The fourth proportional to 15,289,534.43, 21,099,560.50 and 8,414,016.50 is: 11,611,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,534.43 : 21,099,560.50 = 8,414,016.50 : x
  2. Step 2: Convert to fraction form
    15,289,534.43/21,099,560.50 = 8,414,016.50/x
  3. Step 3: Cross multiply
    15,289,534.43x = 21,099,560.50 × 8,414,016.50
  4. Step 4: Simplify right side
    15,289,534.43x = 177,532,050,134,329.62
  5. Step 5: Solve for x
    x = 177,532,050,134,329.62/15,289,534.43
  6. Step 6: Final answer
    x = 11,611,344.41

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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.