Home / 6,371,078.09-8,791,804.13-3,722,171.06

Finding the Fourth Proportional to 6,371,078.09, 8,791,804.13 and 3,722,171.06

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Solution

The fourth proportional to 6,371,078.09, 8,791,804.13 and 3,722,171.06 is: 5,136,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371,078.09 : 8,791,804.13 = 3,722,171.06 : x
  2. Step 2: Convert to fraction form
    6,371,078.09/8,791,804.13 = 3,722,171.06/x
  3. Step 3: Cross multiply
    6,371,078.09x = 8,791,804.13 × 3,722,171.06
  4. Step 4: Simplify right side
    6,371,078.09x = 32,724,598,901,243.13
  5. Step 5: Solve for x
    x = 32,724,598,901,243.13/6,371,078.09
  6. Step 6: Final answer
    x = 5,136,430.36

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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.