Finding the Fourth Proportional to 11,884,381.63, 16,400,616.82 and 6,922,695.58
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Solution
The fourth proportional to 11,884,381.63, 16,400,616.82 and 6,922,695.58 is: 9,553,419.02
Step by Step Solution
- Step 1: Write the proportion equation
11,884,381.63 : 16,400,616.82 = 6,922,695.58 : x - Step 2: Convert to fraction form
11,884,381.63/16,400,616.82 = 6,922,695.58/x - Step 3: Cross multiply
11,884,381.63x = 16,400,616.82 × 6,922,695.58 - Step 4: Simplify right side
11,884,381.63x = 113,536,477,510,779.38 - Step 5: Solve for x
x = 113,536,477,510,779.38/11,884,381.63 - Step 6: Final answer
x = 9,553,419.02
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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.