Home / 30,891,832.24-42,627,910.98-18,330,722.53

Finding the Fourth Proportional to 30,891,832.24, 42,627,910.98 and 18,330,722.53

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Solution

The fourth proportional to 30,891,832.24, 42,627,910.98 and 18,330,722.53 is: 25,294,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891,832.24 : 42,627,910.98 = 18,330,722.53 : x
  2. Step 2: Convert to fraction form
    30,891,832.24/42,627,910.98 = 18,330,722.53/x
  3. Step 3: Cross multiply
    30,891,832.24x = 42,627,910.98 × 18,330,722.53
  4. Step 4: Simplify right side
    30,891,832.24x = 781,400,408,101,350.50
  5. Step 5: Solve for x
    x = 781,400,408,101,350.50/30,891,832.24
  6. Step 6: Final answer
    x = 25,294,725.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.