Home / 7,212,857.22-10,823,269.82-4,019,782.55

Finding the Fourth Proportional to 7,212,857.22, 10,823,269.82 and 4,019,782.55

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Solution

The fourth proportional to 7,212,857.22, 10,823,269.82 and 4,019,782.55 is: 6,031,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,857.22 : 10,823,269.82 = 4,019,782.55 : x
  2. Step 2: Convert to fraction form
    7,212,857.22/10,823,269.82 = 4,019,782.55/x
  3. Step 3: Cross multiply
    7,212,857.22x = 10,823,269.82 × 4,019,782.55
  4. Step 4: Simplify right side
    7,212,857.22x = 43,507,191,082,162.38
  5. Step 5: Solve for x
    x = 43,507,191,082,162.38/7,212,857.22
  6. Step 6: Final answer
    x = 6,031,894.12

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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.