Home / 13,480,305.40-20,220,458.10-9,150,628.60

Finding the Fourth Proportional to 13,480,305.40, 20,220,458.10 and 9,150,628.60

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Solution

The fourth proportional to 13,480,305.40, 20,220,458.10 and 9,150,628.60 is: 13,725,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,305.40 : 20,220,458.10 = 9,150,628.60 : x
  2. Step 2: Convert to fraction form
    13,480,305.40/20,220,458.10 = 9,150,628.60/x
  3. Step 3: Cross multiply
    13,480,305.40x = 20,220,458.10 × 9,150,628.60
  4. Step 4: Simplify right side
    13,480,305.40x = 185,029,902,194,961.66
  5. Step 5: Solve for x
    x = 185,029,902,194,961.66/13,480,305.40
  6. Step 6: Final answer
    x = 13,725,942.90

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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.