Home / 20,346,930.25-30,520,406.30-7,565,774.20

Finding the Fourth Proportional to 20,346,930.25, 30,520,406.30 and 7,565,774.20

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Solution

The fourth proportional to 20,346,930.25, 30,520,406.30 and 7,565,774.20 is: 11,348,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,930.25 : 30,520,406.30 = 7,565,774.20 : x
  2. Step 2: Convert to fraction form
    20,346,930.25/30,520,406.30 = 7,565,774.20/x
  3. Step 3: Cross multiply
    20,346,930.25x = 30,520,406.30 × 7,565,774.20
  4. Step 4: Simplify right side
    20,346,930.25x = 230,910,502,558,057.47
  5. Step 5: Solve for x
    x = 230,910,502,558,057.47/20,346,930.25
  6. Step 6: Final answer
    x = 11,348,665.36

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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.