Home / 20,559,222.09-30,838,906.17-5,206,507.56

Finding the Fourth Proportional to 20,559,222.09, 30,838,906.17 and 5,206,507.56

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Solution

The fourth proportional to 20,559,222.09, 30,838,906.17 and 5,206,507.56 is: 7,809,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,222.09 : 30,838,906.17 = 5,206,507.56 : x
  2. Step 2: Convert to fraction form
    20,559,222.09/30,838,906.17 = 5,206,507.56/x
  3. Step 3: Cross multiply
    20,559,222.09x = 30,838,906.17 × 5,206,507.56
  4. Step 4: Simplify right side
    20,559,222.09x = 160,562,998,116,235.66
  5. Step 5: Solve for x
    x = 160,562,998,116,235.66/20,559,222.09
  6. Step 6: Final answer
    x = 7,809,779.84

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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.