Home / 20,346,938.26-30,520,418.31-7,565,782.21

Finding the Fourth Proportional to 20,346,938.26, 30,520,418.31 and 7,565,782.21

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Solution

The fourth proportional to 20,346,938.26, 30,520,418.31 and 7,565,782.21 is: 11,348,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,938.26 : 30,520,418.31 = 7,565,782.21 : x
  2. Step 2: Convert to fraction form
    20,346,938.26/30,520,418.31 = 7,565,782.21/x
  3. Step 3: Cross multiply
    20,346,938.26x = 30,520,418.31 × 7,565,782.21
  4. Step 4: Simplify right side
    20,346,938.26x = 230,910,837,891,556.25
  5. Step 5: Solve for x
    x = 230,910,837,891,556.25/20,346,938.26
  6. Step 6: Final answer
    x = 11,348,677.38

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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.