Home / 15,795,130.37-21,798,121.90-8,825,977.09

Finding the Fourth Proportional to 15,795,130.37, 21,798,121.90 and 8,825,977.09

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Solution

The fourth proportional to 15,795,130.37, 21,798,121.90 and 8,825,977.09 is: 12,180,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795,130.37 : 21,798,121.90 = 8,825,977.09 : x
  2. Step 2: Convert to fraction form
    15,795,130.37/21,798,121.90 = 8,825,977.09/x
  3. Step 3: Cross multiply
    15,795,130.37x = 21,798,121.90 × 8,825,977.09
  4. Step 4: Simplify right side
    15,795,130.37x = 192,389,724,494,427.25
  5. Step 5: Solve for x
    x = 192,389,724,494,427.25/15,795,130.37
  6. Step 6: Final answer
    x = 12,180,318.87

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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.