Home / 13,783,669.20-20,679,910.20-4,200,872.40

Finding the Fourth Proportional to 13,783,669.20, 20,679,910.20 and 4,200,872.40

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Solution

The fourth proportional to 13,783,669.20, 20,679,910.20 and 4,200,872.40 is: 6,302,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,669.20 : 20,679,910.20 = 4,200,872.40 : x
  2. Step 2: Convert to fraction form
    13,783,669.20/20,679,910.20 = 4,200,872.40/x
  3. Step 3: Cross multiply
    13,783,669.20x = 20,679,910.20 × 4,200,872.40
  4. Step 4: Simplify right side
    13,783,669.20x = 86,873,663,993,658.48
  5. Step 5: Solve for x
    x = 86,873,663,993,658.48/13,783,669.20
  6. Step 6: Final answer
    x = 6,302,651.55

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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.