Home / 20,809,412.10-31,201,676.55-10,731,716.10

Finding the Fourth Proportional to 20,809,412.10, 31,201,676.55 and 10,731,716.10

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Solution

The fourth proportional to 20,809,412.10, 31,201,676.55 and 10,731,716.10 is: 16,091,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,412.10 : 31,201,676.55 = 10,731,716.10 : x
  2. Step 2: Convert to fraction form
    20,809,412.10/31,201,676.55 = 10,731,716.10/x
  3. Step 3: Cross multiply
    20,809,412.10x = 31,201,676.55 × 10,731,716.10
  4. Step 4: Simplify right side
    20,809,412.10x = 334,847,534,578,627.44
  5. Step 5: Solve for x
    x = 334,847,534,578,627.44/20,809,412.10
  6. Step 6: Final answer
    x = 16,091,157.84

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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.