Home / 12,231,125.30-18,346,615.05-3,133,205.30

Finding the Fourth Proportional to 12,231,125.30, 18,346,615.05 and 3,133,205.30

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Solution

The fourth proportional to 12,231,125.30, 18,346,615.05 and 3,133,205.30 is: 4,699,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,125.30 : 18,346,615.05 = 3,133,205.30 : x
  2. Step 2: Convert to fraction form
    12,231,125.30/18,346,615.05 = 3,133,205.30/x
  3. Step 3: Cross multiply
    12,231,125.30x = 18,346,615.05 × 3,133,205.30
  4. Step 4: Simplify right side
    12,231,125.30x = 57,483,711,511,719.77
  5. Step 5: Solve for x
    x = 57,483,711,511,719.77/12,231,125.30
  6. Step 6: Final answer
    x = 4,699,789.28

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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.