Home / 20,091,340-27,725,853.72-10,923,982.72

Finding the Fourth Proportional to 20,091,340, 27,725,853.72 and 10,923,982.72

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Solution

The fourth proportional to 20,091,340, 27,725,853.72 and 10,923,982.72 is: 15,074,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091,340 : 27,725,853.72 = 10,923,982.72 : x
  2. Step 2: Convert to fraction form
    20,091,340/27,725,853.72 = 10,923,982.72/x
  3. Step 3: Cross multiply
    20,091,340x = 27,725,853.72 × 10,923,982.72
  4. Step 4: Simplify right side
    20,091,340x = 302,876,746,934,527.75
  5. Step 5: Solve for x
    x = 302,876,746,934,527.75/20,091,340
  6. Step 6: Final answer
    x = 15,074,989.87

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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.