Home / 19,586,459.75-27,028,745.72-11,213,549.38

Finding the Fourth Proportional to 19,586,459.75, 27,028,745.72 and 11,213,549.38

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Solution

The fourth proportional to 19,586,459.75, 27,028,745.72 and 11,213,549.38 is: 15,474,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,459.75 : 27,028,745.72 = 11,213,549.38 : x
  2. Step 2: Convert to fraction form
    19,586,459.75/27,028,745.72 = 11,213,549.38/x
  3. Step 3: Cross multiply
    19,586,459.75x = 27,028,745.72 × 11,213,549.38
  4. Step 4: Simplify right side
    19,586,459.75x = 303,088,174,830,452.62
  5. Step 5: Solve for x
    x = 303,088,174,830,452.62/19,586,459.75
  6. Step 6: Final answer
    x = 15,474,372.54

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1.5x scale

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.