Home / 27,550,037.38-38,071,487.22-20,662,562.02

Finding the Fourth Proportional to 27,550,037.38, 38,071,487.22 and 20,662,562.02

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Solution

The fourth proportional to 27,550,037.38, 38,071,487.22 and 20,662,562.02 is: 28,553,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550,037.38 : 38,071,487.22 = 20,662,562.02 : x
  2. Step 2: Convert to fraction form
    27,550,037.38/38,071,487.22 = 20,662,562.02/x
  3. Step 3: Cross multiply
    27,550,037.38x = 38,071,487.22 × 20,662,562.02
  4. Step 4: Simplify right side
    27,550,037.38x = 786,654,465,876,887.38
  5. Step 5: Solve for x
    x = 786,654,465,876,887.38/27,550,037.38
  6. Step 6: Final answer
    x = 28,553,662.38

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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.