Home / 12,320,239.83-18,478,947.92-3,223,215.29

Finding the Fourth Proportional to 12,320,239.83, 18,478,947.92 and 3,223,215.29

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Solution

The fourth proportional to 12,320,239.83, 18,478,947.92 and 3,223,215.29 is: 4,834,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,239.83 : 18,478,947.92 = 3,223,215.29 : x
  2. Step 2: Convert to fraction form
    12,320,239.83/18,478,947.92 = 3,223,215.29/x
  3. Step 3: Cross multiply
    12,320,239.83x = 18,478,947.92 × 3,223,215.29
  4. Step 4: Simplify right side
    12,320,239.83x = 59,561,627,370,346.88
  5. Step 5: Solve for x
    x = 59,561,627,370,346.88/12,320,239.83
  6. Step 6: Final answer
    x = 4,834,453.57

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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.