Home / 19,987,958.54-27,583,392-10,820,601.28

Finding the Fourth Proportional to 19,987,958.54, 27,583,392 and 10,820,601.28

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Solution

The fourth proportional to 19,987,958.54, 27,583,392 and 10,820,601.28 is: 14,932,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,958.54 : 27,583,392 = 10,820,601.28 : x
  2. Step 2: Convert to fraction form
    19,987,958.54/27,583,392 = 10,820,601.28/x
  3. Step 3: Cross multiply
    19,987,958.54x = 27,583,392 × 10,820,601.28
  4. Step 4: Simplify right side
    19,987,958.54x = 298,468,886,781,941.75
  5. Step 5: Solve for x
    x = 298,468,886,781,941.75/19,987,958.54
  6. Step 6: Final answer
    x = 14,932,434.75

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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.