Home / 12,187,816.50-16,819,189.20-6,755,308.50

Finding the Fourth Proportional to 12,187,816.50, 16,819,189.20 and 6,755,308.50

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Solution

The fourth proportional to 12,187,816.50, 16,819,189.20 and 6,755,308.50 is: 9,322,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,816.50 : 16,819,189.20 = 6,755,308.50 : x
  2. Step 2: Convert to fraction form
    12,187,816.50/16,819,189.20 = 6,755,308.50/x
  3. Step 3: Cross multiply
    12,187,816.50x = 16,819,189.20 × 6,755,308.50
  4. Step 4: Simplify right side
    12,187,816.50x = 113,618,811,765,868.19
  5. Step 5: Solve for x
    x = 113,618,811,765,868.19/12,187,816.50
  6. Step 6: Final answer
    x = 9,322,327.08

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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.