Home / 12,667,816.99-17,496,115.73-8,336,240.74

Finding the Fourth Proportional to 12,667,816.99, 17,496,115.73 and 8,336,240.74

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Solution

The fourth proportional to 12,667,816.99, 17,496,115.73 and 8,336,240.74 is: 11,513,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,816.99 : 17,496,115.73 = 8,336,240.74 : x
  2. Step 2: Convert to fraction form
    12,667,816.99/17,496,115.73 = 8,336,240.74/x
  3. Step 3: Cross multiply
    12,667,816.99x = 17,496,115.73 × 8,336,240.74
  4. Step 4: Simplify right side
    12,667,816.99x = 145,851,832,740,180.84
  5. Step 5: Solve for x
    x = 145,851,832,740,180.84/12,667,816.99
  6. Step 6: Final answer
    x = 11,513,572.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.