Home / 12,619,383.86-18,932,260.61-3,521,473.88

Finding the Fourth Proportional to 12,619,383.86, 18,932,260.61 and 3,521,473.88

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Solution

The fourth proportional to 12,619,383.86, 18,932,260.61 and 3,521,473.88 is: 5,283,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,383.86 : 18,932,260.61 = 3,521,473.88 : x
  2. Step 2: Convert to fraction form
    12,619,383.86/18,932,260.61 = 3,521,473.88/x
  3. Step 3: Cross multiply
    12,619,383.86x = 18,932,260.61 × 3,521,473.88
  4. Step 4: Simplify right side
    12,619,383.86x = 66,669,461,115,199.20
  5. Step 5: Solve for x
    x = 66,669,461,115,199.20/12,619,383.86
  6. Step 6: Final answer
    x = 5,283,099.55

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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.