Finding the Fourth Proportional to 10,788,981.36, 14,889,086.94 and 6,440,592.48
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Solution
The fourth proportional to 10,788,981.36, 14,889,086.94 and 6,440,592.48 is: 8,888,192.33
Step by Step Solution
- Step 1: Write the proportion equation
10,788,981.36 : 14,889,086.94 = 6,440,592.48 : x - Step 2: Convert to fraction form
10,788,981.36/14,889,086.94 = 6,440,592.48/x - Step 3: Cross multiply
10,788,981.36x = 14,889,086.94 × 6,440,592.48 - Step 4: Simplify right side
10,788,981.36x = 95,894,541,379,830.22 - Step 5: Solve for x
x = 95,894,541,379,830.22/10,788,981.36 - Step 6: Final answer
x = 8,888,192.33
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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.