Home / 10,356,459.20-15,532,197.60-5,305,169.60

Finding the Fourth Proportional to 10,356,459.20, 15,532,197.60 and 5,305,169.60

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Solution

The fourth proportional to 10,356,459.20, 15,532,197.60 and 5,305,169.60 is: 7,956,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356,459.20 : 15,532,197.60 = 5,305,169.60 : x
  2. Step 2: Convert to fraction form
    10,356,459.20/15,532,197.60 = 5,305,169.60/x
  3. Step 3: Cross multiply
    10,356,459.20x = 15,532,197.60 × 5,305,169.60
  4. Step 4: Simplify right side
    10,356,459.20x = 82,400,942,528,712.95
  5. Step 5: Solve for x
    x = 82,400,942,528,712.95/10,356,459.20
  6. Step 6: Final answer
    x = 7,956,478.27

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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.