Finding the Fourth Proportional to 18,018,316.62, 24,865,153.69 and 9,758,188.94
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Solution
The fourth proportional to 18,018,316.62, 24,865,153.69 and 9,758,188.94 is: 13,466,233.99
Step by Step Solution
- Step 1: Write the proportion equation
18,018,316.62 : 24,865,153.69 = 9,758,188.94 : x - Step 2: Convert to fraction form
18,018,316.62/24,865,153.69 = 9,758,188.94/x - Step 3: Cross multiply
18,018,316.62x = 24,865,153.69 × 9,758,188.94 - Step 4: Simplify right side
18,018,316.62x = 242,638,867,729,158.19 - Step 5: Solve for x
x = 242,638,867,729,158.19/18,018,316.62 - Step 6: Final answer
x = 13,466,233.99
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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.