Home / 21,384,112.60-32,076,168.90-5,427,760.60

Finding the Fourth Proportional to 21,384,112.60, 32,076,168.90 and 5,427,760.60

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Solution

The fourth proportional to 21,384,112.60, 32,076,168.90 and 5,427,760.60 is: 8,141,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,112.60 : 32,076,168.90 = 5,427,760.60 : x
  2. Step 2: Convert to fraction form
    21,384,112.60/32,076,168.90 = 5,427,760.60/x
  3. Step 3: Cross multiply
    21,384,112.60x = 32,076,168.90 × 5,427,760.60
  4. Step 4: Simplify right side
    21,384,112.60x = 174,101,765,754,365.31
  5. Step 5: Solve for x
    x = 174,101,765,754,365.31/21,384,112.60
  6. Step 6: Final answer
    x = 8,141,640.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.