Home / 20,501,571.88-30,752,655.90-5,355,505

Finding the Fourth Proportional to 20,501,571.88, 30,752,655.90 and 5,355,505

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Solution

The fourth proportional to 20,501,571.88, 30,752,655.90 and 5,355,505 is: 8,033,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,571.88 : 30,752,655.90 = 5,355,505 : x
  2. Step 2: Convert to fraction form
    20,501,571.88/30,752,655.90 = 5,355,505/x
  3. Step 3: Cross multiply
    20,501,571.88x = 30,752,655.90 × 5,355,505
  4. Step 4: Simplify right side
    20,501,571.88x = 164,696,002,435,729.50
  5. Step 5: Solve for x
    x = 164,696,002,435,729.50/20,501,571.88
  6. Step 6: Final answer
    x = 8,033,335.37

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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.