Home / 13,206,771.80-19,810,157.70-8,167,923.80

Finding the Fourth Proportional to 13,206,771.80, 19,810,157.70 and 8,167,923.80

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Solution

The fourth proportional to 13,206,771.80, 19,810,157.70 and 8,167,923.80 is: 12,251,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,771.80 : 19,810,157.70 = 8,167,923.80 : x
  2. Step 2: Convert to fraction form
    13,206,771.80/19,810,157.70 = 8,167,923.80/x
  3. Step 3: Cross multiply
    13,206,771.80x = 19,810,157.70 × 8,167,923.80
  4. Step 4: Simplify right side
    13,206,771.80x = 161,807,858,559,583.25
  5. Step 5: Solve for x
    x = 161,807,858,559,583.25/13,206,771.80
  6. Step 6: Final answer
    x = 12,251,885.70

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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.