Finding the Fourth Proportional to 13,189,446.84, 19,784,559.06 and 11,258,181.48
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Solution
The fourth proportional to 13,189,446.84, 19,784,559.06 and 11,258,181.48 is: 16,887,604.09
Step by Step Solution
- Step 1: Write the proportion equation
13,189,446.84 : 19,784,559.06 = 11,258,181.48 : x - Step 2: Convert to fraction form
13,189,446.84/19,784,559.06 = 11,258,181.48/x - Step 3: Cross multiply
13,189,446.84x = 19,784,559.06 × 11,258,181.48 - Step 4: Simplify right side
13,189,446.84x = 222,738,156,399,258.19 - Step 5: Solve for x
x = 222,738,156,399,258.19/13,189,446.84 - Step 6: Final answer
x = 16,887,604.09
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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.