Home / 8,076,905.80-12,121,263.60-5,380,334.80

Finding the Fourth Proportional to 8,076,905.80, 12,121,263.60 and 5,380,334.80

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Solution

The fourth proportional to 8,076,905.80, 12,121,263.60 and 5,380,334.80 is: 8,074,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,905.80 : 12,121,263.60 = 5,380,334.80 : x
  2. Step 2: Convert to fraction form
    8,076,905.80/12,121,263.60 = 5,380,334.80/x
  3. Step 3: Cross multiply
    8,076,905.80x = 12,121,263.60 × 5,380,334.80
  4. Step 4: Simplify right side
    8,076,905.80x = 65,216,456,367,053.27
  5. Step 5: Solve for x
    x = 65,216,456,367,053.27/8,076,905.80
  6. Step 6: Final answer
    x = 8,074,435.68

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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.