Home / 13,324,904.98-18,388,427.55-7,213,333.48

Finding the Fourth Proportional to 13,324,904.98, 18,388,427.55 and 7,213,333.48

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Solution

The fourth proportional to 13,324,904.98, 18,388,427.55 and 7,213,333.48 is: 9,954,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,904.98 : 18,388,427.55 = 7,213,333.48 : x
  2. Step 2: Convert to fraction form
    13,324,904.98/18,388,427.55 = 7,213,333.48/x
  3. Step 3: Cross multiply
    13,324,904.98x = 18,388,427.55 × 7,213,333.48
  4. Step 4: Simplify right side
    13,324,904.98x = 132,641,860,090,969.39
  5. Step 5: Solve for x
    x = 132,641,860,090,969.39/13,324,904.98
  6. Step 6: Final answer
    x = 9,954,431.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.