Home / 20,600,111.56-30,905,907.90-16,797,838.54

Finding the Fourth Proportional to 20,600,111.56, 30,905,907.90 and 16,797,838.54

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Solution

The fourth proportional to 20,600,111.56, 30,905,907.90 and 16,797,838.54 is: 25,201,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600,111.56 : 30,905,907.90 = 16,797,838.54 : x
  2. Step 2: Convert to fraction form
    20,600,111.56/30,905,907.90 = 16,797,838.54/x
  3. Step 3: Cross multiply
    20,600,111.56x = 30,905,907.90 × 16,797,838.54
  4. Step 4: Simplify right side
    20,600,111.56x = 519,152,450,597,791.75
  5. Step 5: Solve for x
    x = 519,152,450,597,791.75/20,600,111.56
  6. Step 6: Final answer
    x = 25,201,438.80

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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.