Home / 13,468,386.35-20,205,564.78-3,883,016.86

Finding the Fourth Proportional to 13,468,386.35, 20,205,564.78 and 3,883,016.86

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Solution

The fourth proportional to 13,468,386.35, 20,205,564.78 and 3,883,016.86 is: 5,825,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,386.35 : 20,205,564.78 = 3,883,016.86 : x
  2. Step 2: Convert to fraction form
    13,468,386.35/20,205,564.78 = 3,883,016.86/x
  3. Step 3: Cross multiply
    13,468,386.35x = 20,205,564.78 × 3,883,016.86
  4. Step 4: Simplify right side
    13,468,386.35x = 78,458,548,605,534.38
  5. Step 5: Solve for x
    x = 78,458,548,605,534.38/13,468,386.35
  6. Step 6: Final answer
    x = 5,825,385.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.