Home / 20,222,090.10-30,333,135.15-13,419,645.30

Finding the Fourth Proportional to 20,222,090.10, 30,333,135.15 and 13,419,645.30

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Solution

The fourth proportional to 20,222,090.10, 30,333,135.15 and 13,419,645.30 is: 20,129,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,090.10 : 30,333,135.15 = 13,419,645.30 : x
  2. Step 2: Convert to fraction form
    20,222,090.10/30,333,135.15 = 13,419,645.30/x
  3. Step 3: Cross multiply
    20,222,090.10x = 30,333,135.15 × 13,419,645.30
  4. Step 4: Simplify right side
    20,222,090.10x = 407,059,914,549,962.31
  5. Step 5: Solve for x
    x = 407,059,914,549,962.31/20,222,090.10
  6. Step 6: Final answer
    x = 20,129,467.95

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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.