Home / 12,923,786.68-17,837,864.78-8,032,702.64

Finding the Fourth Proportional to 12,923,786.68, 17,837,864.78 and 8,032,702.64

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Solution

The fourth proportional to 12,923,786.68, 17,837,864.78 and 8,032,702.64 is: 11,087,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,786.68 : 17,837,864.78 = 8,032,702.64 : x
  2. Step 2: Convert to fraction form
    12,923,786.68/17,837,864.78 = 8,032,702.64/x
  3. Step 3: Cross multiply
    12,923,786.68x = 17,837,864.78 × 8,032,702.64
  4. Step 4: Simplify right side
    12,923,786.68x = 143,286,263,510,269.03
  5. Step 5: Solve for x
    x = 143,286,263,510,269.03/12,923,786.68
  6. Step 6: Final answer
    x = 11,087,018.62

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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.