Home / 11,161,200.19-15,398,981.37-6,449,879.30

Finding the Fourth Proportional to 11,161,200.19, 15,398,981.37 and 6,449,879.30

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Solution

The fourth proportional to 11,161,200.19, 15,398,981.37 and 6,449,879.30 is: 8,898,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161,200.19 : 15,398,981.37 = 6,449,879.30 : x
  2. Step 2: Convert to fraction form
    11,161,200.19/15,398,981.37 = 6,449,879.30/x
  3. Step 3: Cross multiply
    11,161,200.19x = 15,398,981.37 × 6,449,879.30
  4. Step 4: Simplify right side
    11,161,200.19x = 99,321,571,134,200.03
  5. Step 5: Solve for x
    x = 99,321,571,134,200.03/11,161,200.19
  6. Step 6: Final answer
    x = 8,898,825.35

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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.