Home / 8,879,009.20-13,318,513.80-3,199,418.80

Finding the Fourth Proportional to 8,879,009.20, 13,318,513.80 and 3,199,418.80

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Solution

The fourth proportional to 8,879,009.20, 13,318,513.80 and 3,199,418.80 is: 4,799,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,009.20 : 13,318,513.80 = 3,199,418.80 : x
  2. Step 2: Convert to fraction form
    8,879,009.20/13,318,513.80 = 3,199,418.80/x
  3. Step 3: Cross multiply
    8,879,009.20x = 13,318,513.80 × 3,199,418.80
  4. Step 4: Simplify right side
    8,879,009.20x = 42,611,503,439,779.44
  5. Step 5: Solve for x
    x = 42,611,503,439,779.44/8,879,009.20
  6. Step 6: Final answer
    x = 4,799,128.20

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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.