Home / 16,786,513.30-25,192,211.55-12,307,537.30

Finding the Fourth Proportional to 16,786,513.30, 25,192,211.55 and 12,307,537.30

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Solution

The fourth proportional to 16,786,513.30, 25,192,211.55 and 12,307,537.30 is: 18,470,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,513.30 : 25,192,211.55 = 12,307,537.30 : x
  2. Step 2: Convert to fraction form
    16,786,513.30/25,192,211.55 = 12,307,537.30/x
  3. Step 3: Cross multiply
    16,786,513.30x = 25,192,211.55 × 12,307,537.30
  4. Step 4: Simplify right side
    16,786,513.30x = 310,054,083,321,115.81
  5. Step 5: Solve for x
    x = 310,054,083,321,115.81/16,786,513.30
  6. Step 6: Final answer
    x = 18,470,427.88

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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.