Home / 19,987,946.61-27,583,375.62-10,820,589.36

Finding the Fourth Proportional to 19,987,946.61, 27,583,375.62 and 10,820,589.36

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Solution

The fourth proportional to 19,987,946.61, 27,583,375.62 and 10,820,589.36 is: 14,932,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,946.61 : 27,583,375.62 = 10,820,589.36 : x
  2. Step 2: Convert to fraction form
    19,987,946.61/27,583,375.62 = 10,820,589.36/x
  3. Step 3: Cross multiply
    19,987,946.61x = 27,583,375.62 × 10,820,589.36
  4. Step 4: Simplify right side
    19,987,946.61x = 298,468,380,746,655.38
  5. Step 5: Solve for x
    x = 298,468,380,746,655.38/19,987,946.61
  6. Step 6: Final answer
    x = 14,932,418.35

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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.