Home / 11,189,443.14-15,433,107.93-9,880,385.64

Finding the Fourth Proportional to 11,189,443.14, 15,433,107.93 and 9,880,385.64

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Solution

The fourth proportional to 11,189,443.14, 15,433,107.93 and 9,880,385.64 is: 13,627,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189,443.14 : 15,433,107.93 = 9,880,385.64 : x
  2. Step 2: Convert to fraction form
    11,189,443.14/15,433,107.93 = 9,880,385.64/x
  3. Step 3: Cross multiply
    11,189,443.14x = 15,433,107.93 × 9,880,385.64
  4. Step 4: Simplify right side
    11,189,443.14x = 152,485,057,972,142.12
  5. Step 5: Solve for x
    x = 152,485,057,972,142.12/11,189,443.14
  6. Step 6: Final answer
    x = 13,627,582.36

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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.