Home / 5,175,997.94-7,143,408.68-3,111,681.81

Finding the Fourth Proportional to 5,175,997.94, 7,143,408.68 and 3,111,681.81

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Solution

The fourth proportional to 5,175,997.94, 7,143,408.68 and 3,111,681.81 is: 4,294,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,997.94 : 7,143,408.68 = 3,111,681.81 : x
  2. Step 2: Convert to fraction form
    5,175,997.94/7,143,408.68 = 3,111,681.81/x
  3. Step 3: Cross multiply
    5,175,997.94x = 7,143,408.68 × 3,111,681.81
  4. Step 4: Simplify right side
    5,175,997.94x = 22,228,014,835,393.70
  5. Step 5: Solve for x
    x = 22,228,014,835,393.70/5,175,997.94
  6. Step 6: Final answer
    x = 4,294,440.44

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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.