Home / 13,003,850.80-19,505,841-5,331,686.32

Finding the Fourth Proportional to 13,003,850.80, 19,505,841 and 5,331,686.32

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Solution

The fourth proportional to 13,003,850.80, 19,505,841 and 5,331,686.32 is: 7,997,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003,850.80 : 19,505,841 = 5,331,686.32 : x
  2. Step 2: Convert to fraction form
    13,003,850.80/19,505,841 = 5,331,686.32/x
  3. Step 3: Cross multiply
    13,003,850.80x = 19,505,841 × 5,331,686.32
  4. Step 4: Simplify right side
    13,003,850.80x = 103,999,025,619,795.12
  5. Step 5: Solve for x
    x = 103,999,025,619,795.12/13,003,850.80
  6. Step 6: Final answer
    x = 7,997,556.05

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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.