Home / 7,338,163.60-10,985,472.60-5,453,261.20

Finding the Fourth Proportional to 7,338,163.60, 10,985,472.60 and 5,453,261.20

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Solution

The fourth proportional to 7,338,163.60, 10,985,472.60 and 5,453,261.20 is: 8,163,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,163.60 : 10,985,472.60 = 5,453,261.20 : x
  2. Step 2: Convert to fraction form
    7,338,163.60/10,985,472.60 = 5,453,261.20/x
  3. Step 3: Cross multiply
    7,338,163.60x = 10,985,472.60 × 5,453,261.20
  4. Step 4: Simplify right side
    7,338,163.60x = 59,906,651,493,243.12
  5. Step 5: Solve for x
    x = 59,906,651,493,243.12/7,338,163.60
  6. Step 6: Final answer
    x = 8,163,711.63

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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.