Home / 13,476,940.93-18,601,484.79-7,679,149.26

Finding the Fourth Proportional to 13,476,940.93, 18,601,484.79 and 7,679,149.26

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Solution

The fourth proportional to 13,476,940.93, 18,601,484.79 and 7,679,149.26 is: 10,599,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,940.93 : 18,601,484.79 = 7,679,149.26 : x
  2. Step 2: Convert to fraction form
    13,476,940.93/18,601,484.79 = 7,679,149.26/x
  3. Step 3: Cross multiply
    13,476,940.93x = 18,601,484.79 × 7,679,149.26
  4. Step 4: Simplify right side
    13,476,940.93x = 142,843,578,160,029.75
  5. Step 5: Solve for x
    x = 142,843,578,160,029.75/13,476,940.93
  6. Step 6: Final answer
    x = 10,599,109.91

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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.