Home / 21,984,755.25-30,342,600.69-12,198,352.26

Finding the Fourth Proportional to 21,984,755.25, 30,342,600.69 and 12,198,352.26

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Solution

The fourth proportional to 21,984,755.25, 30,342,600.69 and 12,198,352.26 is: 16,835,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,755.25 : 30,342,600.69 = 12,198,352.26 : x
  2. Step 2: Convert to fraction form
    21,984,755.25/30,342,600.69 = 12,198,352.26/x
  3. Step 3: Cross multiply
    21,984,755.25x = 30,342,600.69 × 12,198,352.26
  4. Step 4: Simplify right side
    21,984,755.25x = 370,129,731,701,139.06
  5. Step 5: Solve for x
    x = 370,129,731,701,139.06/21,984,755.25
  6. Step 6: Final answer
    x = 16,835,744.93

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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.