Home / 11,621,087.20-17,431,630.80-3,533,998.60

Finding the Fourth Proportional to 11,621,087.20, 17,431,630.80 and 3,533,998.60

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Solution

The fourth proportional to 11,621,087.20, 17,431,630.80 and 3,533,998.60 is: 5,300,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621,087.20 : 17,431,630.80 = 3,533,998.60 : x
  2. Step 2: Convert to fraction form
    11,621,087.20/17,431,630.80 = 3,533,998.60/x
  3. Step 3: Cross multiply
    11,621,087.20x = 17,431,630.80 × 3,533,998.60
  4. Step 4: Simplify right side
    11,621,087.20x = 61,603,358,842,916.88
  5. Step 5: Solve for x
    x = 61,603,358,842,916.88/11,621,087.20
  6. Step 6: Final answer
    x = 5,300,997.90

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1.5x scale

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.