Home / 9,290,516.52-12,820,912.80-5,216,223

Finding the Fourth Proportional to 9,290,516.52, 12,820,912.80 and 5,216,223

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Solution

The fourth proportional to 9,290,516.52, 12,820,912.80 and 5,216,223 is: 7,198,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,516.52 : 12,820,912.80 = 5,216,223 : x
  2. Step 2: Convert to fraction form
    9,290,516.52/12,820,912.80 = 5,216,223/x
  3. Step 3: Cross multiply
    9,290,516.52x = 12,820,912.80 × 5,216,223
  4. Step 4: Simplify right side
    9,290,516.52x = 66,876,740,228,354.41
  5. Step 5: Solve for x
    x = 66,876,740,228,354.41/9,290,516.52
  6. Step 6: Final answer
    x = 7,198,387.74

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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.