Finding the Fourth Proportional to 11,772,321.95, 16,245,993.35 and 6,474,226.30
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Solution
The fourth proportional to 11,772,321.95, 16,245,993.35 and 6,474,226.30 is: 8,934,536.27
Step by Step Solution
- Step 1: Write the proportion equation
11,772,321.95 : 16,245,993.35 = 6,474,226.30 : x - Step 2: Convert to fraction form
11,772,321.95/16,245,993.35 = 6,474,226.30/x - Step 3: Cross multiply
11,772,321.95x = 16,245,993.35 × 6,474,226.30 - Step 4: Simplify right side
11,772,321.95x = 105,180,237,416,195.09 - Step 5: Solve for x
x = 105,180,237,416,195.09/11,772,321.95 - Step 6: Final answer
x = 8,934,536.27
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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.