Home / 19,267,365.82-26,563,242.69-15,306,778.09

Finding the Fourth Proportional to 19,267,365.82, 26,563,242.69 and 15,306,778.09

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Solution

The fourth proportional to 19,267,365.82, 26,563,242.69 and 15,306,778.09 is: 21,102,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267,365.82 : 26,563,242.69 = 15,306,778.09 : x
  2. Step 2: Convert to fraction form
    19,267,365.82/26,563,242.69 = 15,306,778.09/x
  3. Step 3: Cross multiply
    19,267,365.82x = 26,563,242.69 × 15,306,778.09
  4. Step 4: Simplify right side
    19,267,365.82x = 406,597,661,206,644.69
  5. Step 5: Solve for x
    x = 406,597,661,206,644.69/19,267,365.82
  6. Step 6: Final answer
    x = 21,102,919.05

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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.