Home / 8,078,974.80-12,112,435.80-4,883,427.60

Finding the Fourth Proportional to 8,078,974.80, 12,112,435.80 and 4,883,427.60

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Solution

The fourth proportional to 8,078,974.80, 12,112,435.80 and 4,883,427.60 is: 7,321,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,974.80 : 12,112,435.80 = 4,883,427.60 : x
  2. Step 2: Convert to fraction form
    8,078,974.80/12,112,435.80 = 4,883,427.60/x
  3. Step 3: Cross multiply
    8,078,974.80x = 12,112,435.80 × 4,883,427.60
  4. Step 4: Simplify right side
    8,078,974.80x = 59,150,203,288,948.08
  5. Step 5: Solve for x
    x = 59,150,203,288,948.08/8,078,974.80
  6. Step 6: Final answer
    x = 7,321,498.67

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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.