Home / 10,754,561.80-16,131,842.70-9,578,830.60

Finding the Fourth Proportional to 10,754,561.80, 16,131,842.70 and 9,578,830.60

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Solution

The fourth proportional to 10,754,561.80, 16,131,842.70 and 9,578,830.60 is: 14,368,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,561.80 : 16,131,842.70 = 9,578,830.60 : x
  2. Step 2: Convert to fraction form
    10,754,561.80/16,131,842.70 = 9,578,830.60/x
  3. Step 3: Cross multiply
    10,754,561.80x = 16,131,842.70 × 9,578,830.60
  4. Step 4: Simplify right side
    10,754,561.80x = 154,524,188,489,146.59
  5. Step 5: Solve for x
    x = 154,524,188,489,146.59/10,754,561.80
  6. Step 6: Final answer
    x = 14,368,245.90

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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.