Home / 28,419,435.80-42,622,724.40-13,051,951.64

Finding the Fourth Proportional to 28,419,435.80, 42,622,724.40 and 13,051,951.64

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Solution

The fourth proportional to 28,419,435.80, 42,622,724.40 and 13,051,951.64 is: 19,574,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,435.80 : 42,622,724.40 = 13,051,951.64 : x
  2. Step 2: Convert to fraction form
    28,419,435.80/42,622,724.40 = 13,051,951.64/x
  3. Step 3: Cross multiply
    28,419,435.80x = 42,622,724.40 × 13,051,951.64
  4. Step 4: Simplify right side
    28,419,435.80x = 556,309,737,633,848
  5. Step 5: Solve for x
    x = 556,309,737,633,848/28,419,435.80
  6. Step 6: Final answer
    x = 19,574,974.73

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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.