Finding the Fourth Proportional to 12,165,512.11, 16,788,411.71 and 6,658,914.70
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Solution
The fourth proportional to 12,165,512.11, 16,788,411.71 and 6,658,914.70 is: 9,189,305.02
Step by Step Solution
- Step 1: Write the proportion equation
12,165,512.11 : 16,788,411.71 = 6,658,914.70 : x - Step 2: Convert to fraction form
12,165,512.11/16,788,411.71 = 6,658,914.70/x - Step 3: Cross multiply
12,165,512.11x = 16,788,411.71 × 6,658,914.70 - Step 4: Simplify right side
12,165,512.11x = 111,792,601,525,371.14 - Step 5: Solve for x
x = 111,792,601,525,371.14/12,165,512.11 - Step 6: Final answer
x = 9,189,305.02
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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.