Home / 21,806,069.90-30,092,419.23-13,104,375.98

Finding the Fourth Proportional to 21,806,069.90, 30,092,419.23 and 13,104,375.98

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Solution

The fourth proportional to 21,806,069.90, 30,092,419.23 and 13,104,375.98 is: 18,084,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,069.90 : 30,092,419.23 = 13,104,375.98 : x
  2. Step 2: Convert to fraction form
    21,806,069.90/30,092,419.23 = 13,104,375.98/x
  3. Step 3: Cross multiply
    21,806,069.90x = 30,092,419.23 × 13,104,375.98
  4. Step 4: Simplify right side
    21,806,069.90x = 394,342,375,737,702.12
  5. Step 5: Solve for x
    x = 394,342,375,737,702.12/21,806,069.90
  6. Step 6: Final answer
    x = 18,084,064.55

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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.