Home / 17,170,874.80-25,756,312.20-4,392,379.60

Finding the Fourth Proportional to 17,170,874.80, 25,756,312.20 and 4,392,379.60

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Solution

The fourth proportional to 17,170,874.80, 25,756,312.20 and 4,392,379.60 is: 6,588,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170,874.80 : 25,756,312.20 = 4,392,379.60 : x
  2. Step 2: Convert to fraction form
    17,170,874.80/25,756,312.20 = 4,392,379.60/x
  3. Step 3: Cross multiply
    17,170,874.80x = 25,756,312.20 × 4,392,379.60
  4. Step 4: Simplify right side
    17,170,874.80x = 113,131,500,278,511.11
  5. Step 5: Solve for x
    x = 113,131,500,278,511.11/17,170,874.80
  6. Step 6: Final answer
    x = 6,588,569.40

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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.