Home / 19,987,939.49-27,583,365.78-10,820,582.24

Finding the Fourth Proportional to 19,987,939.49, 27,583,365.78 and 10,820,582.24

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Solution

The fourth proportional to 19,987,939.49, 27,583,365.78 and 10,820,582.24 is: 14,932,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,939.49 : 27,583,365.78 = 10,820,582.24 : x
  2. Step 2: Convert to fraction form
    19,987,939.49/27,583,365.78 = 10,820,582.24/x
  3. Step 3: Cross multiply
    19,987,939.49x = 27,583,365.78 × 10,820,582.24
  4. Step 4: Simplify right side
    19,987,939.49x = 298,468,077,740,574.94
  5. Step 5: Solve for x
    x = 298,468,077,740,574.94/19,987,939.49
  6. Step 6: Final answer
    x = 14,932,408.51

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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.