Home / 18,171,717.07-25,076,969.71-9,911,778.92

Finding the Fourth Proportional to 18,171,717.07, 25,076,969.71 and 9,911,778.92

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Solution

The fourth proportional to 18,171,717.07, 25,076,969.71 and 9,911,778.92 is: 13,678,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,717.07 : 25,076,969.71 = 9,911,778.92 : x
  2. Step 2: Convert to fraction form
    18,171,717.07/25,076,969.71 = 9,911,778.92/x
  3. Step 3: Cross multiply
    18,171,717.07x = 25,076,969.71 × 9,911,778.92
  4. Step 4: Simplify right side
    18,171,717.07x = 248,557,379,786,969.47
  5. Step 5: Solve for x
    x = 248,557,379,786,969.47/18,171,717.07
  6. Step 6: Final answer
    x = 13,678,255.00

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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.