Home / 20,945,237.04-28,907,976.96-12,123,410.40

Finding the Fourth Proportional to 20,945,237.04, 28,907,976.96 and 12,123,410.40

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Solution

The fourth proportional to 20,945,237.04, 28,907,976.96 and 12,123,410.40 is: 16,732,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,945,237.04 : 28,907,976.96 = 12,123,410.40 : x
  2. Step 2: Convert to fraction form
    20,945,237.04/28,907,976.96 = 12,123,410.40/x
  3. Step 3: Cross multiply
    20,945,237.04x = 28,907,976.96 × 12,123,410.40
  4. Step 4: Simplify right side
    20,945,237.04x = 350,463,268,519,824.38
  5. Step 5: Solve for x
    x = 350,463,268,519,824.38/20,945,237.04
  6. Step 6: Final answer
    x = 16,732,361.05

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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.