Home / 7,777,212.90-10,729,560.42-4,871,545.26

Finding the Fourth Proportional to 7,777,212.90, 10,729,560.42 and 4,871,545.26

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Solution

The fourth proportional to 7,777,212.90, 10,729,560.42 and 4,871,545.26 is: 6,720,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,212.90 : 10,729,560.42 = 4,871,545.26 : x
  2. Step 2: Convert to fraction form
    7,777,212.90/10,729,560.42 = 4,871,545.26/x
  3. Step 3: Cross multiply
    7,777,212.90x = 10,729,560.42 × 4,871,545.26
  4. Step 4: Simplify right side
    7,777,212.90x = 52,269,539,165,698.75
  5. Step 5: Solve for x
    x = 52,269,539,165,698.75/7,777,212.90
  6. Step 6: Final answer
    x = 6,720,857.44

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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.