Home / 28,515,053.88-39,342,176.82-17,490,474.36

Finding the Fourth Proportional to 28,515,053.88, 39,342,176.82 and 17,490,474.36

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Solution

The fourth proportional to 28,515,053.88, 39,342,176.82 and 17,490,474.36 is: 24,131,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,053.88 : 39,342,176.82 = 17,490,474.36 : x
  2. Step 2: Convert to fraction form
    28,515,053.88/39,342,176.82 = 17,490,474.36/x
  3. Step 3: Cross multiply
    28,515,053.88x = 39,342,176.82 × 17,490,474.36
  4. Step 4: Simplify right side
    28,515,053.88x = 688,113,334,936,796.38
  5. Step 5: Solve for x
    x = 688,113,334,936,796.38/28,515,053.88
  6. Step 6: Final answer
    x = 24,131,581.09

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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.