Home / 20,938,121.98-31,407,190.26-6,562,305.16

Finding the Fourth Proportional to 20,938,121.98, 31,407,190.26 and 6,562,305.16

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Solution

The fourth proportional to 20,938,121.98, 31,407,190.26 and 6,562,305.16 is: 9,843,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,121.98 : 31,407,190.26 = 6,562,305.16 : x
  2. Step 2: Convert to fraction form
    20,938,121.98/31,407,190.26 = 6,562,305.16/x
  3. Step 3: Cross multiply
    20,938,121.98x = 31,407,190.26 × 6,562,305.16
  4. Step 4: Simplify right side
    20,938,121.98x = 206,103,566,704,299.75
  5. Step 5: Solve for x
    x = 206,103,566,704,299.75/20,938,121.98
  6. Step 6: Final answer
    x = 9,843,460.02

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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.