Home / 13,553,910.40-20,312,203.20-8,991,990.40

Finding the Fourth Proportional to 13,553,910.40, 20,312,203.20 and 8,991,990.40

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Solution

The fourth proportional to 13,553,910.40, 20,312,203.20 and 8,991,990.40 is: 13,475,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553,910.40 : 20,312,203.20 = 8,991,990.40 : x
  2. Step 2: Convert to fraction form
    13,553,910.40/20,312,203.20 = 8,991,990.40/x
  3. Step 3: Cross multiply
    13,553,910.40x = 20,312,203.20 × 8,991,990.40
  4. Step 4: Simplify right side
    13,553,910.40x = 182,647,136,177,249.28
  5. Step 5: Solve for x
    x = 182,647,136,177,249.28/13,553,910.40
  6. Step 6: Final answer
    x = 13,475,604.51

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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.