Home / 8,198,885.80-12,298,328.70-2,880,101.80

Finding the Fourth Proportional to 8,198,885.80, 12,298,328.70 and 2,880,101.80

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Solution

The fourth proportional to 8,198,885.80, 12,298,328.70 and 2,880,101.80 is: 4,320,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,885.80 : 12,298,328.70 = 2,880,101.80 : x
  2. Step 2: Convert to fraction form
    8,198,885.80/12,298,328.70 = 2,880,101.80/x
  3. Step 3: Cross multiply
    8,198,885.80x = 12,298,328.70 × 2,880,101.80
  4. Step 4: Simplify right side
    8,198,885.80x = 35,420,438,625,861.66
  5. Step 5: Solve for x
    x = 35,420,438,625,861.66/8,198,885.80
  6. Step 6: Final answer
    x = 4,320,152.70

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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.