Home / 10,303,480.20-15,455,220.30-5,201,646.60

Finding the Fourth Proportional to 10,303,480.20, 15,455,220.30 and 5,201,646.60

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Solution

The fourth proportional to 10,303,480.20, 15,455,220.30 and 5,201,646.60 is: 7,802,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,480.20 : 15,455,220.30 = 5,201,646.60 : x
  2. Step 2: Convert to fraction form
    10,303,480.20/15,455,220.30 = 5,201,646.60/x
  3. Step 3: Cross multiply
    10,303,480.20x = 15,455,220.30 × 5,201,646.60
  4. Step 4: Simplify right side
    10,303,480.20x = 80,392,594,125,745.98
  5. Step 5: Solve for x
    x = 80,392,594,125,745.98/10,303,480.20
  6. Step 6: Final answer
    x = 7,802,469.90

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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.