Home / 12,396,431.52-17,109,105.84-10,328,167.08

Finding the Fourth Proportional to 12,396,431.52, 17,109,105.84 and 10,328,167.08

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Solution

The fourth proportional to 12,396,431.52, 17,109,105.84 and 10,328,167.08 is: 14,254,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,431.52 : 17,109,105.84 = 10,328,167.08 : x
  2. Step 2: Convert to fraction form
    12,396,431.52/17,109,105.84 = 10,328,167.08/x
  3. Step 3: Cross multiply
    12,396,431.52x = 17,109,105.84 × 10,328,167.08
  4. Step 4: Simplify right side
    12,396,431.52x = 176,705,703,704,923.75
  5. Step 5: Solve for x
    x = 176,705,703,704,923.75/12,396,431.52
  6. Step 6: Final answer
    x = 14,254,562.16

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1.5x scale

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.