Home / 15,060,755.76-20,784,003.64-8,185,238.32

Finding the Fourth Proportional to 15,060,755.76, 20,784,003.64 and 8,185,238.32

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Solution

The fourth proportional to 15,060,755.76, 20,784,003.64 and 8,185,238.32 is: 11,295,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060,755.76 : 20,784,003.64 = 8,185,238.32 : x
  2. Step 2: Convert to fraction form
    15,060,755.76/20,784,003.64 = 8,185,238.32/x
  3. Step 3: Cross multiply
    15,060,755.76x = 20,784,003.64 × 8,185,238.32
  4. Step 4: Simplify right side
    15,060,755.76x = 170,122,023,037,147.50
  5. Step 5: Solve for x
    x = 170,122,023,037,147.50/15,060,755.76
  6. Step 6: Final answer
    x = 11,295,716.21

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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.