Home / 8,422,749.56-11,623,394.40-4,555,270.71

Finding the Fourth Proportional to 8,422,749.56, 11,623,394.40 and 4,555,270.71

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Solution

The fourth proportional to 8,422,749.56, 11,623,394.40 and 4,555,270.71 is: 6,286,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,749.56 : 11,623,394.40 = 4,555,270.71 : x
  2. Step 2: Convert to fraction form
    8,422,749.56/11,623,394.40 = 4,555,270.71/x
  3. Step 3: Cross multiply
    8,422,749.56x = 11,623,394.40 × 4,555,270.71
  4. Step 4: Simplify right side
    8,422,749.56x = 52,947,708,044,015.76
  5. Step 5: Solve for x
    x = 52,947,708,044,015.76/8,422,749.56
  6. Step 6: Final answer
    x = 6,286,273.58

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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.