Home / 21,616,999.62-32,503,278.47-19,931,759.79

Finding the Fourth Proportional to 21,616,999.62, 32,503,278.47 and 19,931,759.79

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Solution

The fourth proportional to 21,616,999.62, 32,503,278.47 and 19,931,759.79 is: 29,969,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616,999.62 : 32,503,278.47 = 19,931,759.79 : x
  2. Step 2: Convert to fraction form
    21,616,999.62/32,503,278.47 = 19,931,759.79/x
  3. Step 3: Cross multiply
    21,616,999.62x = 32,503,278.47 × 19,931,759.79
  4. Step 4: Simplify right side
    21,616,999.62x = 647,847,538,751,859.88
  5. Step 5: Solve for x
    x = 647,847,538,751,859.88/21,616,999.62
  6. Step 6: Final answer
    x = 29,969,355.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.