Home / 12,500,429.10-18,844,336.85-11,667,146.19

Finding the Fourth Proportional to 12,500,429.10, 18,844,336.85 and 11,667,146.19

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Solution

The fourth proportional to 12,500,429.10, 18,844,336.85 and 11,667,146.19 is: 17,588,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,429.10 : 18,844,336.85 = 11,667,146.19 : x
  2. Step 2: Convert to fraction form
    12,500,429.10/18,844,336.85 = 11,667,146.19/x
  3. Step 3: Cross multiply
    12,500,429.10x = 18,844,336.85 × 11,667,146.19
  4. Step 4: Simplify right side
    12,500,429.10x = 219,859,632,882,554.09
  5. Step 5: Solve for x
    x = 219,859,632,882,554.09/12,500,429.10
  6. Step 6: Final answer
    x = 17,588,166.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.