Home / 16,865,960.21-25,282,778.37-7,137,190.08

Finding the Fourth Proportional to 16,865,960.21, 25,282,778.37 and 7,137,190.08

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Solution

The fourth proportional to 16,865,960.21, 25,282,778.37 and 7,137,190.08 is: 10,698,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865,960.21 : 25,282,778.37 = 7,137,190.08 : x
  2. Step 2: Convert to fraction form
    16,865,960.21/25,282,778.37 = 7,137,190.08/x
  3. Step 3: Cross multiply
    16,865,960.21x = 25,282,778.37 × 7,137,190.08
  4. Step 4: Simplify right side
    16,865,960.21x = 180,447,994,950,438.12
  5. Step 5: Solve for x
    x = 180,447,994,950,438.12/16,865,960.21
  6. Step 6: Final answer
    x = 10,698,945.85

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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.