Home / 12,455,115.52-18,667,526.57-8,812,894.75

Finding the Fourth Proportional to 12,455,115.52, 18,667,526.57 and 8,812,894.75

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Solution

The fourth proportional to 12,455,115.52, 18,667,526.57 and 8,812,894.75 is: 13,208,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,115.52 : 18,667,526.57 = 8,812,894.75 : x
  2. Step 2: Convert to fraction form
    12,455,115.52/18,667,526.57 = 8,812,894.75/x
  3. Step 3: Cross multiply
    12,455,115.52x = 18,667,526.57 × 8,812,894.75
  4. Step 4: Simplify right side
    12,455,115.52x = 164,514,946,904,238.50
  5. Step 5: Solve for x
    x = 164,514,946,904,238.50/12,455,115.52
  6. Step 6: Final answer
    x = 13,208,624.74

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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.