Home / 9,286,270.57-12,815,053.35-5,211,889.57

Finding the Fourth Proportional to 9,286,270.57, 12,815,053.35 and 5,211,889.57

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Solution

The fourth proportional to 9,286,270.57, 12,815,053.35 and 5,211,889.57 is: 7,192,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,270.57 : 12,815,053.35 = 5,211,889.57 : x
  2. Step 2: Convert to fraction form
    9,286,270.57/12,815,053.35 = 5,211,889.57/x
  3. Step 3: Cross multiply
    9,286,270.57x = 12,815,053.35 × 5,211,889.57
  4. Step 4: Simplify right side
    9,286,270.57x = 66,790,642,861,820.92
  5. Step 5: Solve for x
    x = 66,790,642,861,820.92/9,286,270.57
  6. Step 6: Final answer
    x = 7,192,407.58

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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.