Home / 20,869,792.27-31,309,497.74-7,222,938.81

Finding the Fourth Proportional to 20,869,792.27, 31,309,497.74 and 7,222,938.81

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Solution

The fourth proportional to 20,869,792.27, 31,309,497.74 and 7,222,938.81 is: 10,836,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,792.27 : 31,309,497.74 = 7,222,938.81 : x
  2. Step 2: Convert to fraction form
    20,869,792.27/31,309,497.74 = 7,222,938.81/x
  3. Step 3: Cross multiply
    20,869,792.27x = 31,309,497.74 × 7,222,938.81
  4. Step 4: Simplify right side
    20,869,792.27x = 226,146,586,207,871
  5. Step 5: Solve for x
    x = 226,146,586,207,871/20,869,792.27
  6. Step 6: Final answer
    x = 10,836,072.70

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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.