Home / 8,380,056.40-12,563,940.60-3,328,869.20

Finding the Fourth Proportional to 8,380,056.40, 12,563,940.60 and 3,328,869.20

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Solution

The fourth proportional to 8,380,056.40, 12,563,940.60 and 3,328,869.20 is: 4,990,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,056.40 : 12,563,940.60 = 3,328,869.20 : x
  2. Step 2: Convert to fraction form
    8,380,056.40/12,563,940.60 = 3,328,869.20/x
  3. Step 3: Cross multiply
    8,380,056.40x = 12,563,940.60 × 3,328,869.20
  4. Step 4: Simplify right side
    8,380,056.40x = 41,823,714,893,969.52
  5. Step 5: Solve for x
    x = 41,823,714,893,969.52/8,380,056.40
  6. Step 6: Final answer
    x = 4,990,863.18

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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.