Home / 27,550,033.38-38,071,481.70-20,662,558.02

Finding the Fourth Proportional to 27,550,033.38, 38,071,481.70 and 20,662,558.02

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Solution

The fourth proportional to 27,550,033.38, 38,071,481.70 and 20,662,558.02 is: 28,553,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550,033.38 : 38,071,481.70 = 20,662,558.02 : x
  2. Step 2: Convert to fraction form
    27,550,033.38/38,071,481.70 = 20,662,558.02/x
  3. Step 3: Cross multiply
    27,550,033.38x = 38,071,481.70 × 20,662,558.02
  4. Step 4: Simplify right side
    27,550,033.38x = 786,654,199,533,618.25
  5. Step 5: Solve for x
    x = 786,654,199,533,618.25/27,550,033.38
  6. Step 6: Final answer
    x = 28,553,656.86

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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.