Finding the Fourth Proportional to 11,888,569.60, 16,411,248.18 and 8,026,322.08
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Solution
The fourth proportional to 11,888,569.60, 16,411,248.18 and 8,026,322.08 is: 11,079,715.06
Step by Step Solution
- Step 1: Write the proportion equation
11,888,569.60 : 16,411,248.18 = 8,026,322.08 : x - Step 2: Convert to fraction form
11,888,569.60/16,411,248.18 = 8,026,322.08/x - Step 3: Cross multiply
11,888,569.60x = 16,411,248.18 × 8,026,322.08 - Step 4: Simplify right side
11,888,569.60x = 131,721,963,627,493.81 - Step 5: Solve for x
x = 131,721,963,627,493.81/11,888,569.60 - Step 6: Final answer
x = 11,079,715.06
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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.