Home / 20,072,714.09-27,694,242.83-11,369,503.85

Finding the Fourth Proportional to 20,072,714.09, 27,694,242.83 and 11,369,503.85

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Solution

The fourth proportional to 20,072,714.09, 27,694,242.83 and 11,369,503.85 is: 15,686,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,714.09 : 27,694,242.83 = 11,369,503.85 : x
  2. Step 2: Convert to fraction form
    20,072,714.09/27,694,242.83 = 11,369,503.85/x
  3. Step 3: Cross multiply
    20,072,714.09x = 27,694,242.83 × 11,369,503.85
  4. Step 4: Simplify right side
    20,072,714.09x = 314,869,800,368,472.44
  5. Step 5: Solve for x
    x = 314,869,800,368,472.44/20,072,714.09
  6. Step 6: Final answer
    x = 15,686,458.69

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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.