Home / 13,410,025.80-20,115,038.70-4,890,640.20

Finding the Fourth Proportional to 13,410,025.80, 20,115,038.70 and 4,890,640.20

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Solution

The fourth proportional to 13,410,025.80, 20,115,038.70 and 4,890,640.20 is: 7,335,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,025.80 : 20,115,038.70 = 4,890,640.20 : x
  2. Step 2: Convert to fraction form
    13,410,025.80/20,115,038.70 = 4,890,640.20/x
  3. Step 3: Cross multiply
    13,410,025.80x = 20,115,038.70 × 4,890,640.20
  4. Step 4: Simplify right side
    13,410,025.80x = 98,375,416,890,775.73
  5. Step 5: Solve for x
    x = 98,375,416,890,775.73/13,410,025.80
  6. Step 6: Final answer
    x = 7,335,960.30

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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.