Home / 38,601,100-57,889,378.56-12,687,424.48

Finding the Fourth Proportional to 38,601,100, 57,889,378.56 and 12,687,424.48

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Solution

The fourth proportional to 38,601,100, 57,889,378.56 and 12,687,424.48 is: 19,027,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601,100 : 57,889,378.56 = 12,687,424.48 : x
  2. Step 2: Convert to fraction form
    38,601,100/57,889,378.56 = 12,687,424.48/x
  3. Step 3: Cross multiply
    38,601,100x = 57,889,378.56 × 12,687,424.48
  4. Step 4: Simplify right side
    38,601,100x = 734,467,118,674,131.25
  5. Step 5: Solve for x
    x = 734,467,118,674,131.25/38,601,100
  6. Step 6: Final answer
    x = 19,027,103.34

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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.