Home / 21,952,089-30,293,882.82-12,294,297

Finding the Fourth Proportional to 21,952,089, 30,293,882.82 and 12,294,297

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Solution

The fourth proportional to 21,952,089, 30,293,882.82 and 12,294,297 is: 16,966,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,089 : 30,293,882.82 = 12,294,297 : x
  2. Step 2: Convert to fraction form
    21,952,089/30,293,882.82 = 12,294,297/x
  3. Step 3: Cross multiply
    21,952,089x = 30,293,882.82 × 12,294,297
  4. Step 4: Simplify right side
    21,952,089x = 372,441,992,672,277.56
  5. Step 5: Solve for x
    x = 372,441,992,672,277.56/21,952,089
  6. Step 6: Final answer
    x = 16,966,129.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.