Home / 20,266,801.52-27,970,182.78-11,566,283.72

Finding the Fourth Proportional to 20,266,801.52, 27,970,182.78 and 11,566,283.72

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Solution

The fourth proportional to 20,266,801.52, 27,970,182.78 and 11,566,283.72 is: 15,962,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266,801.52 : 27,970,182.78 = 11,566,283.72 : x
  2. Step 2: Convert to fraction form
    20,266,801.52/27,970,182.78 = 11,566,283.72/x
  3. Step 3: Cross multiply
    20,266,801.52x = 27,970,182.78 × 11,566,283.72
  4. Step 4: Simplify right side
    20,266,801.52x = 323,511,069,733,738.38
  5. Step 5: Solve for x
    x = 323,511,069,733,738.38/20,266,801.52
  6. Step 6: Final answer
    x = 15,962,611.04

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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.