Home / 20,902,428.98-28,847,171.06-11,611,806.33

Finding the Fourth Proportional to 20,902,428.98, 28,847,171.06 and 11,611,806.33

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Solution

The fourth proportional to 20,902,428.98, 28,847,171.06 and 11,611,806.33 is: 16,025,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,428.98 : 28,847,171.06 = 11,611,806.33 : x
  2. Step 2: Convert to fraction form
    20,902,428.98/28,847,171.06 = 11,611,806.33/x
  3. Step 3: Cross multiply
    20,902,428.98x = 28,847,171.06 × 11,611,806.33
  4. Step 4: Simplify right side
    20,902,428.98x = 334,967,763,676,079.31
  5. Step 5: Solve for x
    x = 334,967,763,676,079.31/20,902,428.98
  6. Step 6: Final answer
    x = 16,025,303.28

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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.