Home / 13,681,726.39-18,857,771.76-10,372,924.89

Finding the Fourth Proportional to 13,681,726.39, 18,857,771.76 and 10,372,924.89

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Solution

The fourth proportional to 13,681,726.39, 18,857,771.76 and 10,372,924.89 is: 14,297,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,726.39 : 18,857,771.76 = 10,372,924.89 : x
  2. Step 2: Convert to fraction form
    13,681,726.39/18,857,771.76 = 10,372,924.89/x
  3. Step 3: Cross multiply
    13,681,726.39x = 18,857,771.76 × 10,372,924.89
  4. Step 4: Simplify right side
    13,681,726.39x = 195,610,250,059,243.12
  5. Step 5: Solve for x
    x = 195,610,250,059,243.12/13,681,726.39
  6. Step 6: Final answer
    x = 14,297,190.61

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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.