Finding the Fourth Proportional to 19,950,102.09, 27,531,128.88 and 10,782,744.84
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Solution
The fourth proportional to 19,950,102.09, 27,531,128.88 and 10,782,744.84 is: 14,880,181.39
Step by Step Solution
- Step 1: Write the proportion equation
19,950,102.09 : 27,531,128.88 = 10,782,744.84 : x - Step 2: Convert to fraction form
19,950,102.09/27,531,128.88 = 10,782,744.84/x - Step 3: Cross multiply
19,950,102.09x = 27,531,128.88 × 10,782,744.84 - Step 4: Simplify right side
19,950,102.09x = 296,861,137,870,194.94 - Step 5: Solve for x
x = 296,861,137,870,194.94/19,950,102.09 - Step 6: Final answer
x = 14,880,181.39
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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.