Home / 13,786,823.10-20,680,234.65-9,163,286.40

Finding the Fourth Proportional to 13,786,823.10, 20,680,234.65 and 9,163,286.40

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Solution

The fourth proportional to 13,786,823.10, 20,680,234.65 and 9,163,286.40 is: 13,744,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,823.10 : 20,680,234.65 = 9,163,286.40 : x
  2. Step 2: Convert to fraction form
    13,786,823.10/20,680,234.65 = 9,163,286.40/x
  3. Step 3: Cross multiply
    13,786,823.10x = 20,680,234.65 × 9,163,286.40
  4. Step 4: Simplify right side
    13,786,823.10x = 189,498,912,917,153.75
  5. Step 5: Solve for x
    x = 189,498,912,917,153.75/13,786,823.10
  6. Step 6: Final answer
    x = 13,744,929.60

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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.