Home / 27,794,461.52-38,356,360.60-15,405,353.94

Finding the Fourth Proportional to 27,794,461.52, 38,356,360.60 and 15,405,353.94

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Solution

The fourth proportional to 27,794,461.52, 38,356,360.60 and 15,405,353.94 is: 21,259,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794,461.52 : 38,356,360.60 = 15,405,353.94 : x
  2. Step 2: Convert to fraction form
    27,794,461.52/38,356,360.60 = 15,405,353.94/x
  3. Step 3: Cross multiply
    27,794,461.52x = 38,356,360.60 × 15,405,353.94
  4. Step 4: Simplify right side
    27,794,461.52x = 590,893,310,893,270.75
  5. Step 5: Solve for x
    x = 590,893,310,893,270.75/27,794,461.52
  6. Step 6: Final answer
    x = 21,259,390.49

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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.