Finding the Fourth Proportional to 8,158,423.91, 11,258,647.43 and 4,487,716.62
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Solution
The fourth proportional to 8,158,423.91, 11,258,647.43 and 4,487,716.62 is: 6,193,061.28
Step by Step Solution
- Step 1: Write the proportion equation
8,158,423.91 : 11,258,647.43 = 4,487,716.62 : x - Step 2: Convert to fraction form
8,158,423.91/11,258,647.43 = 4,487,716.62/x - Step 3: Cross multiply
8,158,423.91x = 11,258,647.43 × 4,487,716.62 - Step 4: Simplify right side
8,158,423.91x = 50,525,619,167,892.71 - Step 5: Solve for x
x = 50,525,619,167,892.71/8,158,423.91 - Step 6: Final answer
x = 6,193,061.28
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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.