Home / 8,380,048.90-12,563,929.35-3,328,861.70

Finding the Fourth Proportional to 8,380,048.90, 12,563,929.35 and 3,328,861.70

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Solution

The fourth proportional to 8,380,048.90, 12,563,929.35 and 3,328,861.70 is: 4,990,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,048.90 : 12,563,929.35 = 3,328,861.70 : x
  2. Step 2: Convert to fraction form
    8,380,048.90/12,563,929.35 = 3,328,861.70/x
  3. Step 3: Cross multiply
    8,380,048.90x = 12,563,929.35 × 3,328,861.70
  4. Step 4: Simplify right side
    8,380,048.90x = 41,823,583,214,720.90
  5. Step 5: Solve for x
    x = 41,823,583,214,720.90/8,380,048.90
  6. Step 6: Final answer
    x = 4,990,851.93

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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.