Finding the Fourth Proportional to 11,682,428.79, 16,121,750.78 and 6,525,790.29
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Solution
The fourth proportional to 11,682,428.79, 16,121,750.78 and 6,525,790.29 is: 9,005,590.07
Step by Step Solution
- Step 1: Write the proportion equation
11,682,428.79 : 16,121,750.78 = 6,525,790.29 : x - Step 2: Convert to fraction form
11,682,428.79/16,121,750.78 = 6,525,790.29/x - Step 3: Cross multiply
11,682,428.79x = 16,121,750.78 × 6,525,790.29 - Step 4: Simplify right side
11,682,428.79x = 105,207,164,665,294.98 - Step 5: Solve for x
x = 105,207,164,665,294.98/11,682,428.79 - Step 6: Final answer
x = 9,005,590.07
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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.