Finding the Fourth Proportional to 11,351,020.84, 15,664,741.48 and 6,194,713.92
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Solution
The fourth proportional to 11,351,020.84, 15,664,741.48 and 6,194,713.92 is: 8,548,886.79
Step by Step Solution
- Step 1: Write the proportion equation
11,351,020.84 : 15,664,741.48 = 6,194,713.92 : x - Step 2: Convert to fraction form
11,351,020.84/15,664,741.48 = 6,194,713.92/x - Step 3: Cross multiply
11,351,020.84x = 15,664,741.48 × 6,194,713.92 - Step 4: Simplify right side
11,351,020.84x = 97,038,592,099,357.41 - Step 5: Solve for x
x = 97,038,592,099,357.41/11,351,020.84 - Step 6: Final answer
x = 8,548,886.79
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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.