Home / 9,917,749.81-13,686,034.05-5,507,755.44

Finding the Fourth Proportional to 9,917,749.81, 13,686,034.05 and 5,507,755.44

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Solution

The fourth proportional to 9,917,749.81, 13,686,034.05 and 5,507,755.44 is: 7,600,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,749.81 : 13,686,034.05 = 5,507,755.44 : x
  2. Step 2: Convert to fraction form
    9,917,749.81/13,686,034.05 = 5,507,755.44/x
  3. Step 3: Cross multiply
    9,917,749.81x = 13,686,034.05 × 5,507,755.44
  4. Step 4: Simplify right side
    9,917,749.81x = 75,379,328,490,912.73
  5. Step 5: Solve for x
    x = 75,379,328,490,912.73/9,917,749.81
  6. Step 6: Final answer
    x = 7,600,446.67

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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.