Home / 21,726,563.80-32,589,845.70-18,219,053.20

Finding the Fourth Proportional to 21,726,563.80, 32,589,845.70 and 18,219,053.20

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Solution

The fourth proportional to 21,726,563.80, 32,589,845.70 and 18,219,053.20 is: 27,328,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,563.80 : 32,589,845.70 = 18,219,053.20 : x
  2. Step 2: Convert to fraction form
    21,726,563.80/32,589,845.70 = 18,219,053.20/x
  3. Step 3: Cross multiply
    21,726,563.80x = 32,589,845.70 × 18,219,053.20
  4. Step 4: Simplify right side
    21,726,563.80x = 593,756,132,588,091.25
  5. Step 5: Solve for x
    x = 593,756,132,588,091.25/21,726,563.80
  6. Step 6: Final answer
    x = 27,328,579.80

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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.