Home / 43,947,843.37-65,915,348.94-12,815,134.74

Finding the Fourth Proportional to 43,947,843.37, 65,915,348.94 and 12,815,134.74

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Solution

The fourth proportional to 43,947,843.37, 65,915,348.94 and 12,815,134.74 is: 19,220,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947,843.37 : 65,915,348.94 = 12,815,134.74 : x
  2. Step 2: Convert to fraction form
    43,947,843.37/65,915,348.94 = 12,815,134.74/x
  3. Step 3: Cross multiply
    43,947,843.37x = 65,915,348.94 × 12,815,134.74
  4. Step 4: Simplify right side
    43,947,843.37x = 844,714,078,100,216.12
  5. Step 5: Solve for x
    x = 844,714,078,100,216.12/43,947,843.37
  6. Step 6: Final answer
    x = 19,220,831.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.