Home / 20,146,327.80-30,208,410.90-13,763,787

Finding the Fourth Proportional to 20,146,327.80, 30,208,410.90 and 13,763,787

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Solution

The fourth proportional to 20,146,327.80, 30,208,410.90 and 13,763,787 is: 20,638,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,327.80 : 30,208,410.90 = 13,763,787 : x
  2. Step 2: Convert to fraction form
    20,146,327.80/30,208,410.90 = 13,763,787/x
  3. Step 3: Cross multiply
    20,146,327.80x = 30,208,410.90 × 13,763,787
  4. Step 4: Simplify right side
    20,146,327.80x = 415,782,133,236,078.25
  5. Step 5: Solve for x
    x = 415,782,133,236,078.25/20,146,327.80
  6. Step 6: Final answer
    x = 20,638,110.20

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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.