Home / 20,847,785.83-31,275,607.19-7,897,815.25

Finding the Fourth Proportional to 20,847,785.83, 31,275,607.19 and 7,897,815.25

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Solution

The fourth proportional to 20,847,785.83, 31,275,607.19 and 7,897,815.25 is: 11,848,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,785.83 : 31,275,607.19 = 7,897,815.25 : x
  2. Step 2: Convert to fraction form
    20,847,785.83/31,275,607.19 = 7,897,815.25/x
  3. Step 3: Cross multiply
    20,847,785.83x = 31,275,607.19 × 7,897,815.25
  4. Step 4: Simplify right side
    20,847,785.83x = 247,008,967,378,702.56
  5. Step 5: Solve for x
    x = 247,008,967,378,702.56/20,847,785.83
  6. Step 6: Final answer
    x = 11,848,211.10

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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.