Home / 14,394,076.89-21,594,896.78-5,172,980.38

Finding the Fourth Proportional to 14,394,076.89, 21,594,896.78 and 5,172,980.38

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Solution

The fourth proportional to 14,394,076.89, 21,594,896.78 and 5,172,980.38 is: 7,760,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,076.89 : 21,594,896.78 = 5,172,980.38 : x
  2. Step 2: Convert to fraction form
    14,394,076.89/21,594,896.78 = 5,172,980.38/x
  3. Step 3: Cross multiply
    14,394,076.89x = 21,594,896.78 × 5,172,980.38
  4. Step 4: Simplify right side
    14,394,076.89x = 111,709,977,351,065.19
  5. Step 5: Solve for x
    x = 111,709,977,351,065.19/14,394,076.89
  6. Step 6: Final answer
    x = 7,760,829.56

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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.