Home / 12,262,481.30-18,377,975.55-9,408,446.30

Finding the Fourth Proportional to 12,262,481.30, 18,377,975.55 and 9,408,446.30

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Solution

The fourth proportional to 12,262,481.30, 18,377,975.55 and 9,408,446.30 is: 14,100,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,481.30 : 18,377,975.55 = 9,408,446.30 : x
  2. Step 2: Convert to fraction form
    12,262,481.30/18,377,975.55 = 9,408,446.30/x
  3. Step 3: Cross multiply
    12,262,481.30x = 18,377,975.55 × 9,408,446.30
  4. Step 4: Simplify right side
    12,262,481.30x = 172,908,196,064,888
  5. Step 5: Solve for x
    x = 172,908,196,064,888/12,262,481.30
  6. Step 6: Final answer
    x = 14,100,587.95

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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.