Home / 8,689,945.37-13,036,136.39-2,623,989.21

Finding the Fourth Proportional to 8,689,945.37, 13,036,136.39 and 2,623,989.21

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Solution

The fourth proportional to 8,689,945.37, 13,036,136.39 and 2,623,989.21 is: 3,936,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,945.37 : 13,036,136.39 = 2,623,989.21 : x
  2. Step 2: Convert to fraction form
    8,689,945.37/13,036,136.39 = 2,623,989.21/x
  3. Step 3: Cross multiply
    8,689,945.37x = 13,036,136.39 × 2,623,989.21
  4. Step 4: Simplify right side
    8,689,945.37x = 34,206,681,214,328.41
  5. Step 5: Solve for x
    x = 34,206,681,214,328.41/8,689,945.37
  6. Step 6: Final answer
    x = 3,936,351.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.