Home / 12,000,770.56-16,561,107.12-6,494,144.80

Finding the Fourth Proportional to 12,000,770.56, 16,561,107.12 and 6,494,144.80

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Solution

The fourth proportional to 12,000,770.56, 16,561,107.12 and 6,494,144.80 is: 8,961,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000,770.56 : 16,561,107.12 = 6,494,144.80 : x
  2. Step 2: Convert to fraction form
    12,000,770.56/16,561,107.12 = 6,494,144.80/x
  3. Step 3: Cross multiply
    12,000,770.56x = 16,561,107.12 × 6,494,144.80
  4. Step 4: Simplify right side
    12,000,770.56x = 107,550,227,685,590.97
  5. Step 5: Solve for x
    x = 107,550,227,685,590.97/12,000,770.56
  6. Step 6: Final answer
    x = 8,961,943.50

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1.5x scale

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.