Home / 15,010,161.12-20,716,245.60-9,504,047.76

Finding the Fourth Proportional to 15,010,161.12, 20,716,245.60 and 9,504,047.76

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Solution

The fourth proportional to 15,010,161.12, 20,716,245.60 and 9,504,047.76 is: 13,116,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010,161.12 : 20,716,245.60 = 9,504,047.76 : x
  2. Step 2: Convert to fraction form
    15,010,161.12/20,716,245.60 = 9,504,047.76/x
  3. Step 3: Cross multiply
    15,010,161.12x = 20,716,245.60 × 9,504,047.76
  4. Step 4: Simplify right side
    15,010,161.12x = 196,888,187,590,289.88
  5. Step 5: Solve for x
    x = 196,888,187,590,289.88/15,010,161.12
  6. Step 6: Final answer
    x = 13,116,993.62

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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.