Home / 20,602,071.27-30,902,792.49-6,964,797.42

Finding the Fourth Proportional to 20,602,071.27, 30,902,792.49 and 6,964,797.42

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Solution

The fourth proportional to 20,602,071.27, 30,902,792.49 and 6,964,797.42 is: 10,447,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,071.27 : 30,902,792.49 = 6,964,797.42 : x
  2. Step 2: Convert to fraction form
    20,602,071.27/30,902,792.49 = 6,964,797.42/x
  3. Step 3: Cross multiply
    20,602,071.27x = 30,902,792.49 × 6,964,797.42
  4. Step 4: Simplify right side
    20,602,071.27x = 215,231,689,405,147.38
  5. Step 5: Solve for x
    x = 215,231,689,405,147.38/20,602,071.27
  6. Step 6: Final answer
    x = 10,447,089.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.