Home / 13,622,181.58-18,798,757.23-7,427,177.65

Finding the Fourth Proportional to 13,622,181.58, 18,798,757.23 and 7,427,177.65

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Solution

The fourth proportional to 13,622,181.58, 18,798,757.23 and 7,427,177.65 is: 10,249,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,181.58 : 18,798,757.23 = 7,427,177.65 : x
  2. Step 2: Convert to fraction form
    13,622,181.58/18,798,757.23 = 7,427,177.65/x
  3. Step 3: Cross multiply
    13,622,181.58x = 18,798,757.23 × 7,427,177.65
  4. Step 4: Simplify right side
    13,622,181.58x = 139,621,709,546,431.92
  5. Step 5: Solve for x
    x = 139,621,709,546,431.92/13,622,181.58
  6. Step 6: Final answer
    x = 10,249,585.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.