Finding the Fourth Proportional to 11,888,672.84, 16,411,390.80 and 8,026,425.44
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Solution
The fourth proportional to 11,888,672.84, 16,411,390.80 and 8,026,425.44 is: 11,079,857.81
Step by Step Solution
- Step 1: Write the proportion equation
11,888,672.84 : 16,411,390.80 = 8,026,425.44 : x - Step 2: Convert to fraction form
11,888,672.84/16,411,390.80 = 8,026,425.44/x - Step 3: Cross multiply
11,888,672.84x = 16,411,390.80 × 8,026,425.44 - Step 4: Simplify right side
11,888,672.84x = 131,724,804,622,901.97 - Step 5: Solve for x
x = 131,724,804,622,901.97/11,888,672.84 - Step 6: Final answer
x = 11,079,857.81
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1.5x scale
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.