Finding the Fourth Proportional to 11,963,755.47, 16,509,898.57 and 6,531,247.47
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Solution
The fourth proportional to 11,963,755.47, 16,509,898.57 and 6,531,247.47 is: 9,013,075.66
Step by Step Solution
- Step 1: Write the proportion equation
11,963,755.47 : 16,509,898.57 = 6,531,247.47 : x - Step 2: Convert to fraction form
11,963,755.47/16,509,898.57 = 6,531,247.47/x - Step 3: Cross multiply
11,963,755.47x = 16,509,898.57 × 6,531,247.47 - Step 4: Simplify right side
11,963,755.47x = 107,830,233,265,269.11 - Step 5: Solve for x
x = 107,830,233,265,269.11/11,963,755.47 - Step 6: Final answer
x = 9,013,075.66
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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.