Home / 13,879,586.48-19,151,544.12-8,719,293.56

Finding the Fourth Proportional to 13,879,586.48, 19,151,544.12 and 8,719,293.56

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Solution

The fourth proportional to 13,879,586.48, 19,151,544.12 and 8,719,293.56 is: 12,031,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,586.48 : 19,151,544.12 = 8,719,293.56 : x
  2. Step 2: Convert to fraction form
    13,879,586.48/19,151,544.12 = 8,719,293.56/x
  3. Step 3: Cross multiply
    13,879,586.48x = 19,151,544.12 × 8,719,293.56
  4. Step 4: Simplify right side
    13,879,586.48x = 166,987,935,309,571.88
  5. Step 5: Solve for x
    x = 166,987,935,309,571.88/13,879,586.48
  6. Step 6: Final answer
    x = 12,031,189.51

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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.