Home / 10,356,461.20-15,532,200.60-5,305,171.60

Finding the Fourth Proportional to 10,356,461.20, 15,532,200.60 and 5,305,171.60

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Solution

The fourth proportional to 10,356,461.20, 15,532,200.60 and 5,305,171.60 is: 7,956,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356,461.20 : 15,532,200.60 = 5,305,171.60 : x
  2. Step 2: Convert to fraction form
    10,356,461.20/15,532,200.60 = 5,305,171.60/x
  3. Step 3: Cross multiply
    10,356,461.20x = 15,532,200.60 × 5,305,171.60
  4. Step 4: Simplify right side
    10,356,461.20x = 82,400,989,508,622.95
  5. Step 5: Solve for x
    x = 82,400,989,508,622.95/10,356,461.20
  6. Step 6: Final answer
    x = 7,956,481.26

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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.