Home / 9,769,910.38-13,484,090.66-5,420,397.49

Finding the Fourth Proportional to 9,769,910.38, 13,484,090.66 and 5,420,397.49

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Solution

The fourth proportional to 9,769,910.38, 13,484,090.66 and 5,420,397.49 is: 7,481,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769,910.38 : 13,484,090.66 = 5,420,397.49 : x
  2. Step 2: Convert to fraction form
    9,769,910.38/13,484,090.66 = 5,420,397.49/x
  3. Step 3: Cross multiply
    9,769,910.38x = 13,484,090.66 × 5,420,397.49
  4. Step 4: Simplify right side
    9,769,910.38x = 73,089,131,107,584.22
  5. Step 5: Solve for x
    x = 73,089,131,107,584.22/9,769,910.38
  6. Step 6: Final answer
    x = 7,481,044.17

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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.