Home / 13,203,792.56-19,804,004.04-5,111,229.98

Finding the Fourth Proportional to 13,203,792.56, 19,804,004.04 and 5,111,229.98

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Solution

The fourth proportional to 13,203,792.56, 19,804,004.04 and 5,111,229.98 is: 7,666,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,792.56 : 19,804,004.04 = 5,111,229.98 : x
  2. Step 2: Convert to fraction form
    13,203,792.56/19,804,004.04 = 5,111,229.98/x
  3. Step 3: Cross multiply
    13,203,792.56x = 19,804,004.04 × 5,111,229.98
  4. Step 4: Simplify right side
    13,203,792.56x = 101,222,819,173,289.12
  5. Step 5: Solve for x
    x = 101,222,819,173,289.12/13,203,792.56
  6. Step 6: Final answer
    x = 7,666,192.78

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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.