Finding the Fourth Proportional to 8,816,201.20, 13,207,972.20 and 5,018,402.80
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Solution
The fourth proportional to 8,816,201.20, 13,207,972.20 and 5,018,402.80 is: 7,518,308.98
Step by Step Solution
- Step 1: Write the proportion equation
8,816,201.20 : 13,207,972.20 = 5,018,402.80 : x - Step 2: Convert to fraction form
8,816,201.20/13,207,972.20 = 5,018,402.80/x - Step 3: Cross multiply
8,816,201.20x = 13,207,972.20 × 5,018,402.80 - Step 4: Simplify right side
8,816,201.20x = 66,282,924,670,802.16 - Step 5: Solve for x
x = 66,282,924,670,802.16/8,816,201.20 - Step 6: Final answer
x = 7,518,308.98
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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.