Finding the Fourth Proportional to 8,574,121.91, 11,832,241.64 and 4,706,708.87
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Solution
The fourth proportional to 8,574,121.91, 11,832,241.64 and 4,706,708.87 is: 6,495,232.66
Step by Step Solution
- Step 1: Write the proportion equation
8,574,121.91 : 11,832,241.64 = 4,706,708.87 : x - Step 2: Convert to fraction form
8,574,121.91/11,832,241.64 = 4,706,708.87/x - Step 3: Cross multiply
8,574,121.91x = 11,832,241.64 × 4,706,708.87 - Step 4: Simplify right side
8,574,121.91x = 55,690,916,596,276.59 - Step 5: Solve for x
x = 55,690,916,596,276.59/8,574,121.91 - Step 6: Final answer
x = 6,495,232.66
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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.