Home / 20,869,583.85-31,306,523.13-7,222,706.28

Finding the Fourth Proportional to 20,869,583.85, 31,306,523.13 and 7,222,706.28

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Solution

The fourth proportional to 20,869,583.85, 31,306,523.13 and 7,222,706.28 is: 10,834,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,583.85 : 31,306,523.13 = 7,222,706.28 : x
  2. Step 2: Convert to fraction form
    20,869,583.85/31,306,523.13 = 7,222,706.28/x
  3. Step 3: Cross multiply
    20,869,583.85x = 31,306,523.13 × 7,222,706.28
  4. Step 4: Simplify right side
    20,869,583.85x = 226,117,821,216,016.25
  5. Step 5: Solve for x
    x = 226,117,821,216,016.25/20,869,583.85
  6. Step 6: Final answer
    x = 10,834,802.59

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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.