Finding the Fourth Proportional to 18,591,513.57, 27,891,753.71 and 6,459,211.26
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Solution
The fourth proportional to 18,591,513.57, 27,891,753.71 and 6,459,211.26 is: 9,690,374.53
Step by Step Solution
- Step 1: Write the proportion equation
18,591,513.57 : 27,891,753.71 = 6,459,211.26 : x - Step 2: Convert to fraction form
18,591,513.57/27,891,753.71 = 6,459,211.26/x - Step 3: Cross multiply
18,591,513.57x = 27,891,753.71 × 6,459,211.26 - Step 4: Simplify right side
18,591,513.57x = 180,158,729,592,482.69 - Step 5: Solve for x
x = 180,158,729,592,482.69/18,591,513.57 - Step 6: Final answer
x = 9,690,374.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.