Home / 19,852,583.44-27,389,588.52-12,981,087.76

Finding the Fourth Proportional to 19,852,583.44, 27,389,588.52 and 12,981,087.76

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Solution

The fourth proportional to 19,852,583.44, 27,389,588.52 and 12,981,087.76 is: 17,909,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,583.44 : 27,389,588.52 = 12,981,087.76 : x
  2. Step 2: Convert to fraction form
    19,852,583.44/27,389,588.52 = 12,981,087.76/x
  3. Step 3: Cross multiply
    19,852,583.44x = 27,389,588.52 × 12,981,087.76
  4. Step 4: Simplify right side
    19,852,583.44x = 355,546,652,288,408.50
  5. Step 5: Solve for x
    x = 355,546,652,288,408.50/19,852,583.44
  6. Step 6: Final answer
    x = 17,909,339.27

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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.