Home / 10,351,006.32-15,453,725.42-7,909,380.72

Finding the Fourth Proportional to 10,351,006.32, 15,453,725.42 and 7,909,380.72

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Solution

The fourth proportional to 10,351,006.32, 15,453,725.42 and 7,909,380.72 is: 11,808,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,006.32 : 15,453,725.42 = 7,909,380.72 : x
  2. Step 2: Convert to fraction form
    10,351,006.32/15,453,725.42 = 7,909,380.72/x
  3. Step 3: Cross multiply
    10,351,006.32x = 15,453,725.42 × 7,909,380.72
  4. Step 4: Simplify right side
    10,351,006.32x = 122,229,397,889,121.89
  5. Step 5: Solve for x
    x = 122,229,397,889,121.89/10,351,006.32
  6. Step 6: Final answer
    x = 11,808,455.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.