Finding the Fourth Proportional to 8,158,808.30, 11,258,920.42 and 4,487,724.68
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Solution
The fourth proportional to 8,158,808.30, 11,258,920.42 and 4,487,724.68 is: 6,192,930.77
Step by Step Solution
- Step 1: Write the proportion equation
8,158,808.30 : 11,258,920.42 = 4,487,724.68 : x - Step 2: Convert to fraction form
8,158,808.30/11,258,920.42 = 4,487,724.68/x - Step 3: Cross multiply
8,158,808.30x = 11,258,920.42 × 4,487,724.68 - Step 4: Simplify right side
8,158,808.30x = 50,526,934,971,476.05 - Step 5: Solve for x
x = 50,526,934,971,476.05/8,158,808.30 - Step 6: Final answer
x = 6,192,930.77
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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.