Home / 8,809,808.20-13,214,712.30-3,130,606.60

Finding the Fourth Proportional to 8,809,808.20, 13,214,712.30 and 3,130,606.60

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Solution

The fourth proportional to 8,809,808.20, 13,214,712.30 and 3,130,606.60 is: 4,695,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,808.20 : 13,214,712.30 = 3,130,606.60 : x
  2. Step 2: Convert to fraction form
    8,809,808.20/13,214,712.30 = 3,130,606.60/x
  3. Step 3: Cross multiply
    8,809,808.20x = 13,214,712.30 × 3,130,606.60
  4. Step 4: Simplify right side
    8,809,808.20x = 41,370,065,543,481.18
  5. Step 5: Solve for x
    x = 41,370,065,543,481.18/8,809,808.20
  6. Step 6: Final answer
    x = 4,695,909.90

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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.