Home / 12,230,930.20-18,350,081.70-6,553,874.20

Finding the Fourth Proportional to 12,230,930.20, 18,350,081.70 and 6,553,874.20

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Solution

The fourth proportional to 12,230,930.20, 18,350,081.70 and 6,553,874.20 is: 9,832,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,930.20 : 18,350,081.70 = 6,553,874.20 : x
  2. Step 2: Convert to fraction form
    12,230,930.20/18,350,081.70 = 6,553,874.20/x
  3. Step 3: Cross multiply
    12,230,930.20x = 18,350,081.70 × 6,553,874.20
  4. Step 4: Simplify right side
    12,230,930.20x = 120,264,127,021,522.14
  5. Step 5: Solve for x
    x = 120,264,127,021,522.14/12,230,930.20
  6. Step 6: Final answer
    x = 9,832,786.64

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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.