Home / 22,211,836.20-33,292,871.10-12,631,804.20

Finding the Fourth Proportional to 22,211,836.20, 33,292,871.10 and 12,631,804.20

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Solution

The fourth proportional to 22,211,836.20, 33,292,871.10 and 12,631,804.20 is: 18,933,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211,836.20 : 33,292,871.10 = 12,631,804.20 : x
  2. Step 2: Convert to fraction form
    22,211,836.20/33,292,871.10 = 12,631,804.20/x
  3. Step 3: Cross multiply
    22,211,836.20x = 33,292,871.10 × 12,631,804.20
  4. Step 4: Simplify right side
    22,211,836.20x = 420,549,028,991,038.62
  5. Step 5: Solve for x
    x = 420,549,028,991,038.62/22,211,836.20
  6. Step 6: Final answer
    x = 18,933,555.30

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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.