Home / 30,212,274.56-45,274,451.52-18,673,105.28

Finding the Fourth Proportional to 30,212,274.56, 45,274,451.52 and 18,673,105.28

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Solution

The fourth proportional to 30,212,274.56, 45,274,451.52 and 18,673,105.28 is: 27,982,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212,274.56 : 45,274,451.52 = 18,673,105.28 : x
  2. Step 2: Convert to fraction form
    30,212,274.56/45,274,451.52 = 18,673,105.28/x
  3. Step 3: Cross multiply
    30,212,274.56x = 45,274,451.52 × 18,673,105.28
  4. Step 4: Simplify right side
    30,212,274.56x = 845,414,599,727,216.12
  5. Step 5: Solve for x
    x = 845,414,599,727,216.12/30,212,274.56
  6. Step 6: Final answer
    x = 27,982,487.65

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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.