Home / 20,590,741.24-30,885,977.22-5,237,900.09

Finding the Fourth Proportional to 20,590,741.24, 30,885,977.22 and 5,237,900.09

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Solution

The fourth proportional to 20,590,741.24, 30,885,977.22 and 5,237,900.09 is: 7,856,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,741.24 : 30,885,977.22 = 5,237,900.09 : x
  2. Step 2: Convert to fraction form
    20,590,741.24/30,885,977.22 = 5,237,900.09/x
  3. Step 3: Cross multiply
    20,590,741.24x = 30,885,977.22 × 5,237,900.09
  4. Step 4: Simplify right side
    20,590,741.24x = 161,777,662,925,820.84
  5. Step 5: Solve for x
    x = 161,777,662,925,820.84/20,590,741.24
  6. Step 6: Final answer
    x = 7,856,815.89

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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.