Home / 20,346,928.25-30,520,403.30-7,565,772.20

Finding the Fourth Proportional to 20,346,928.25, 30,520,403.30 and 7,565,772.20

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Solution

The fourth proportional to 20,346,928.25, 30,520,403.30 and 7,565,772.20 is: 11,348,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,928.25 : 30,520,403.30 = 7,565,772.20 : x
  2. Step 2: Convert to fraction form
    20,346,928.25/30,520,403.30 = 7,565,772.20/x
  3. Step 3: Cross multiply
    20,346,928.25x = 30,520,403.30 × 7,565,772.20
  4. Step 4: Simplify right side
    20,346,928.25x = 230,910,418,686,240.66
  5. Step 5: Solve for x
    x = 230,910,418,686,240.66/20,346,928.25
  6. Step 6: Final answer
    x = 11,348,662.36

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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.