Home / 9,889,922.01-13,647,911.73-5,479,631.57

Finding the Fourth Proportional to 9,889,922.01, 13,647,911.73 and 5,479,631.57

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Solution

The fourth proportional to 9,889,922.01, 13,647,911.73 and 5,479,631.57 is: 7,561,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,922.01 : 13,647,911.73 = 5,479,631.57 : x
  2. Step 2: Convert to fraction form
    9,889,922.01/13,647,911.73 = 5,479,631.57/x
  3. Step 3: Cross multiply
    9,889,922.01x = 13,647,911.73 × 5,479,631.57
  4. Step 4: Simplify right side
    9,889,922.01x = 74,785,527,912,041.77
  5. Step 5: Solve for x
    x = 74,785,527,912,041.77/9,889,922.01
  6. Step 6: Final answer
    x = 7,561,791.47

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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.