Home / 12,455,115.01-18,667,525.82-8,812,894.25

Finding the Fourth Proportional to 12,455,115.01, 18,667,525.82 and 8,812,894.25

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Solution

The fourth proportional to 12,455,115.01, 18,667,525.82 and 8,812,894.25 is: 13,208,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,115.01 : 18,667,525.82 = 8,812,894.25 : x
  2. Step 2: Convert to fraction form
    12,455,115.01/18,667,525.82 = 8,812,894.25/x
  3. Step 3: Cross multiply
    12,455,115.01x = 18,667,525.82 × 8,812,894.25
  4. Step 4: Simplify right side
    12,455,115.01x = 164,514,930,974,336.47
  5. Step 5: Solve for x
    x = 164,514,930,974,336.47/12,455,115.01
  6. Step 6: Final answer
    x = 13,208,623.99

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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.