Home / 11,178,291.20-16,767,436.80-3,200,115.20

Finding the Fourth Proportional to 11,178,291.20, 16,767,436.80 and 3,200,115.20

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Solution

The fourth proportional to 11,178,291.20, 16,767,436.80 and 3,200,115.20 is: 4,800,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,291.20 : 16,767,436.80 = 3,200,115.20 : x
  2. Step 2: Convert to fraction form
    11,178,291.20/16,767,436.80 = 3,200,115.20/x
  3. Step 3: Cross multiply
    11,178,291.20x = 16,767,436.80 × 3,200,115.20
  4. Step 4: Simplify right side
    11,178,291.20x = 53,657,729,368,719.37
  5. Step 5: Solve for x
    x = 53,657,729,368,719.37/11,178,291.20
  6. Step 6: Final answer
    x = 4,800,172.80

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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.