Home / 30,289,972.82-41,799,997.15-16,538,838.53

Finding the Fourth Proportional to 30,289,972.82, 41,799,997.15 and 16,538,838.53

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Solution

The fourth proportional to 30,289,972.82, 41,799,997.15 and 16,538,838.53 is: 22,823,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,972.82 : 41,799,997.15 = 16,538,838.53 : x
  2. Step 2: Convert to fraction form
    30,289,972.82/41,799,997.15 = 16,538,838.53/x
  3. Step 3: Cross multiply
    30,289,972.82x = 41,799,997.15 × 16,538,838.53
  4. Step 4: Simplify right side
    30,289,972.82x = 691,323,403,167,963.12
  5. Step 5: Solve for x
    x = 691,323,403,167,963.12/30,289,972.82
  6. Step 6: Final answer
    x = 22,823,506.89

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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.