Home / 13,400,362.73-20,090,745.65-4,297,278.67

Finding the Fourth Proportional to 13,400,362.73, 20,090,745.65 and 4,297,278.67

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Solution

The fourth proportional to 13,400,362.73, 20,090,745.65 and 4,297,278.67 is: 6,442,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,362.73 : 20,090,745.65 = 4,297,278.67 : x
  2. Step 2: Convert to fraction form
    13,400,362.73/20,090,745.65 = 4,297,278.67/x
  3. Step 3: Cross multiply
    13,400,362.73x = 20,090,745.65 × 4,297,278.67
  4. Step 4: Simplify right side
    13,400,362.73x = 86,335,532,795,486.56
  5. Step 5: Solve for x
    x = 86,335,532,795,486.56/13,400,362.73
  6. Step 6: Final answer
    x = 6,442,775.81

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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.