Home / 15,289,542.32-21,099,571.38-8,414,024.40

Finding the Fourth Proportional to 15,289,542.32, 21,099,571.38 and 8,414,024.40

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Solution

The fourth proportional to 15,289,542.32, 21,099,571.38 and 8,414,024.40 is: 11,611,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,542.32 : 21,099,571.38 = 8,414,024.40 : x
  2. Step 2: Convert to fraction form
    15,289,542.32/21,099,571.38 = 8,414,024.40/x
  3. Step 3: Cross multiply
    15,289,542.32x = 21,099,571.38 × 8,414,024.40
  4. Step 4: Simplify right side
    15,289,542.32x = 177,532,308,420,861.66
  5. Step 5: Solve for x
    x = 177,532,308,420,861.66/15,289,542.32
  6. Step 6: Final answer
    x = 11,611,355.31

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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.