Home / 13,076,112.02-18,037,520.37-8,172,824.54

Finding the Fourth Proportional to 13,076,112.02, 18,037,520.37 and 8,172,824.54

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Solution

The fourth proportional to 13,076,112.02, 18,037,520.37 and 8,172,824.54 is: 11,273,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,112.02 : 18,037,520.37 = 8,172,824.54 : x
  2. Step 2: Convert to fraction form
    13,076,112.02/18,037,520.37 = 8,172,824.54/x
  3. Step 3: Cross multiply
    13,076,112.02x = 18,037,520.37 × 8,172,824.54
  4. Step 4: Simplify right side
    13,076,112.02x = 147,417,489,030,498.28
  5. Step 5: Solve for x
    x = 147,417,489,030,498.28/13,076,112.02
  6. Step 6: Final answer
    x = 11,273,801.33

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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.