Home / 8,171,043.20-12,262,469.70-4,572,990.80

Finding the Fourth Proportional to 8,171,043.20, 12,262,469.70 and 4,572,990.80

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Solution

The fourth proportional to 8,171,043.20, 12,262,469.70 and 4,572,990.80 is: 6,862,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,043.20 : 12,262,469.70 = 4,572,990.80 : x
  2. Step 2: Convert to fraction form
    8,171,043.20/12,262,469.70 = 4,572,990.80/x
  3. Step 3: Cross multiply
    8,171,043.20x = 12,262,469.70 × 4,572,990.80
  4. Step 4: Simplify right side
    8,171,043.20x = 56,076,161,123,378.76
  5. Step 5: Solve for x
    x = 56,076,161,123,378.76/8,171,043.20
  6. Step 6: Final answer
    x = 6,862,790.93

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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.