Finding the Fourth Proportional to 11,986,283.46, 16,545,569.29 and 7,856,580.62
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Solution
The fourth proportional to 11,986,283.46, 16,545,569.29 and 7,856,580.62 is: 10,845,029.61
Step by Step Solution
- Step 1: Write the proportion equation
11,986,283.46 : 16,545,569.29 = 7,856,580.62 : x - Step 2: Convert to fraction form
11,986,283.46/16,545,569.29 = 7,856,580.62/x - Step 3: Cross multiply
11,986,283.46x = 16,545,569.29 × 7,856,580.62 - Step 4: Simplify right side
11,986,283.46x = 129,991,599,052,403.62 - Step 5: Solve for x
x = 129,991,599,052,403.62/11,986,283.46 - Step 6: Final answer
x = 10,845,029.61
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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.