Finding the Fourth Proportional to 11,888,669.84, 16,411,386.66 and 8,026,422.44
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Solution
The fourth proportional to 11,888,669.84, 16,411,386.66 and 8,026,422.44 is: 11,079,853.67
Step by Step Solution
- Step 1: Write the proportion equation
11,888,669.84 : 16,411,386.66 = 8,026,422.44 : x - Step 2: Convert to fraction form
11,888,669.84/16,411,386.66 = 8,026,422.44/x - Step 3: Cross multiply
11,888,669.84x = 16,411,386.66 × 8,026,422.44 - Step 4: Simplify right side
11,888,669.84x = 131,724,722,159,340.66 - Step 5: Solve for x
x = 131,724,722,159,340.66/11,888,669.84 - Step 6: Final answer
x = 11,079,853.67
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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.