Home / 17,993,909.40-26,990,864.10-13,476,660.90

Finding the Fourth Proportional to 17,993,909.40, 26,990,864.10 and 13,476,660.90

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Solution

The fourth proportional to 17,993,909.40, 26,990,864.10 and 13,476,660.90 is: 20,214,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993,909.40 : 26,990,864.10 = 13,476,660.90 : x
  2. Step 2: Convert to fraction form
    17,993,909.40/26,990,864.10 = 13,476,660.90/x
  3. Step 3: Cross multiply
    17,993,909.40x = 26,990,864.10 × 13,476,660.90
  4. Step 4: Simplify right side
    17,993,909.40x = 363,746,722,873,683.75
  5. Step 5: Solve for x
    x = 363,746,722,873,683.75/17,993,909.40
  6. Step 6: Final answer
    x = 20,214,991.35

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Similar ratio
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1.5x scale

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.