Home / 30,425,851.20-41,987,433.60-16,674,782.52

Finding the Fourth Proportional to 30,425,851.20, 41,987,433.60 and 16,674,782.52

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Solution

The fourth proportional to 30,425,851.20, 41,987,433.60 and 16,674,782.52 is: 23,011,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425,851.20 : 41,987,433.60 = 16,674,782.52 : x
  2. Step 2: Convert to fraction form
    30,425,851.20/41,987,433.60 = 16,674,782.52/x
  3. Step 3: Cross multiply
    30,425,851.20x = 41,987,433.60 × 16,674,782.52
  4. Step 4: Simplify right side
    30,425,851.20x = 700,131,323,852,940.62
  5. Step 5: Solve for x
    x = 700,131,323,852,940.62/30,425,851.20
  6. Step 6: Final answer
    x = 23,011,067.77

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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.