Home / 9,966,122.64-13,738,916.52-7,099,578

Finding the Fourth Proportional to 9,966,122.64, 13,738,916.52 and 7,099,578

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Solution

The fourth proportional to 9,966,122.64, 13,738,916.52 and 7,099,578 is: 9,787,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,122.64 : 13,738,916.52 = 7,099,578 : x
  2. Step 2: Convert to fraction form
    9,966,122.64/13,738,916.52 = 7,099,578/x
  3. Step 3: Cross multiply
    9,966,122.64x = 13,738,916.52 × 7,099,578
  4. Step 4: Simplify right side
    9,966,122.64x = 97,540,509,469,228.56
  5. Step 5: Solve for x
    x = 97,540,509,469,228.56/9,966,122.64
  6. Step 6: Final answer
    x = 9,787,207.42

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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.