Finding the Fourth Proportional to 14,478,325.20, 19,970,906.72 and 8,894,126.88
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Solution
The fourth proportional to 14,478,325.20, 19,970,906.72 and 8,894,126.88 is: 12,268,254.50
Step by Step Solution
- Step 1: Write the proportion equation
14,478,325.20 : 19,970,906.72 = 8,894,126.88 : x - Step 2: Convert to fraction form
14,478,325.20/19,970,906.72 = 8,894,126.88/x - Step 3: Cross multiply
14,478,325.20x = 19,970,906.72 × 8,894,126.88 - Step 4: Simplify right side
14,478,325.20x = 177,623,778,276,324.62 - Step 5: Solve for x
x = 177,623,778,276,324.62/14,478,325.20 - Step 6: Final answer
x = 12,268,254.50
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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.