Finding the Fourth Proportional to 8,125,881.32, 11,213,473.19 and 4,454,672.42
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Solution
The fourth proportional to 8,125,881.32, 11,213,473.19 and 4,454,672.42 is: 6,147,314.70
Step by Step Solution
- Step 1: Write the proportion equation
8,125,881.32 : 11,213,473.19 = 4,454,672.42 : x - Step 2: Convert to fraction form
8,125,881.32/11,213,473.19 = 4,454,672.42/x - Step 3: Cross multiply
8,125,881.32x = 11,213,473.19 × 4,454,672.42 - Step 4: Simplify right side
8,125,881.32x = 49,952,349,673,561.70 - Step 5: Solve for x
x = 49,952,349,673,561.70/8,125,881.32 - Step 6: Final answer
x = 6,147,314.70
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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.