Finding the Fourth Proportional to 8,591,773.91, 11,857,073.63 and 5,329,639.70
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Solution
The fourth proportional to 8,591,773.91, 11,857,073.63 and 5,329,639.70 is: 7,355,166.80
Step by Step Solution
- Step 1: Write the proportion equation
8,591,773.91 : 11,857,073.63 = 5,329,639.70 : x - Step 2: Convert to fraction form
8,591,773.91/11,857,073.63 = 5,329,639.70/x - Step 3: Cross multiply
8,591,773.91x = 11,857,073.63 × 5,329,639.70 - Step 4: Simplify right side
8,591,773.91x = 63,193,930,258,337.55 - Step 5: Solve for x
x = 63,193,930,258,337.55/8,591,773.91 - Step 6: Final answer
x = 7,355,166.80
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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.