Home / 19,830,791.78-29,747,554.16-8,304,653.89

Finding the Fourth Proportional to 19,830,791.78, 29,747,554.16 and 8,304,653.89

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Solution

The fourth proportional to 19,830,791.78, 29,747,554.16 and 8,304,653.89 is: 12,457,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830,791.78 : 29,747,554.16 = 8,304,653.89 : x
  2. Step 2: Convert to fraction form
    19,830,791.78/29,747,554.16 = 8,304,653.89/x
  3. Step 3: Cross multiply
    19,830,791.78x = 29,747,554.16 × 8,304,653.89
  4. Step 4: Simplify right side
    19,830,791.78x = 247,043,141,372,829.69
  5. Step 5: Solve for x
    x = 247,043,141,372,829.69/19,830,791.78
  6. Step 6: Final answer
    x = 12,457,553.09

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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.