Home / 12,463,059.98-18,692,720.09-3,942,289.28

Finding the Fourth Proportional to 12,463,059.98, 18,692,720.09 and 3,942,289.28

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Solution

The fourth proportional to 12,463,059.98, 18,692,720.09 and 3,942,289.28 is: 5,912,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,059.98 : 18,692,720.09 = 3,942,289.28 : x
  2. Step 2: Convert to fraction form
    12,463,059.98/18,692,720.09 = 3,942,289.28/x
  3. Step 3: Cross multiply
    12,463,059.98x = 18,692,720.09 × 3,942,289.28
  4. Step 4: Simplify right side
    12,463,059.98x = 73,692,110,024,847.62
  5. Step 5: Solve for x
    x = 73,692,110,024,847.62/12,463,059.98
  6. Step 6: Final answer
    x = 5,912,842.44

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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.