Home / 18,336,212.05-25,298,454.44-10,991,365.28

Finding the Fourth Proportional to 18,336,212.05, 25,298,454.44 and 10,991,365.28

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Solution

The fourth proportional to 18,336,212.05, 25,298,454.44 and 10,991,365.28 is: 15,164,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,212.05 : 25,298,454.44 = 10,991,365.28 : x
  2. Step 2: Convert to fraction form
    18,336,212.05/25,298,454.44 = 10,991,365.28/x
  3. Step 3: Cross multiply
    18,336,212.05x = 25,298,454.44 × 10,991,365.28
  4. Step 4: Simplify right side
    18,336,212.05x = 278,064,553,670,463.97
  5. Step 5: Solve for x
    x = 278,064,553,670,463.97/18,336,212.05
  6. Step 6: Final answer
    x = 15,164,776.29

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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.