Home / 11,147,846.40-16,689,110.40-8,320,492.80

Finding the Fourth Proportional to 11,147,846.40, 16,689,110.40 and 8,320,492.80

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Solution

The fourth proportional to 11,147,846.40, 16,689,110.40 and 8,320,492.80 is: 12,456,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147,846.40 : 16,689,110.40 = 8,320,492.80 : x
  2. Step 2: Convert to fraction form
    11,147,846.40/16,689,110.40 = 8,320,492.80/x
  3. Step 3: Cross multiply
    11,147,846.40x = 16,689,110.40 × 8,320,492.80
  4. Step 4: Simplify right side
    11,147,846.40x = 138,861,622,921,605.12
  5. Step 5: Solve for x
    x = 138,861,622,921,605.12/11,147,846.40
  6. Step 6: Final answer
    x = 12,456,363.13

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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.