Finding the Fourth Proportional to 20,573,852.30, 30,839,175.48 and 6,922,259.08
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Solution
The fourth proportional to 20,573,852.30, 30,839,175.48 and 6,922,259.08 is: 10,376,120.10
Step by Step Solution
- Step 1: Write the proportion equation
20,573,852.30 : 30,839,175.48 = 6,922,259.08 : x - Step 2: Convert to fraction form
20,573,852.30/30,839,175.48 = 6,922,259.08/x - Step 3: Cross multiply
20,573,852.30x = 30,839,175.48 × 6,922,259.08 - Step 4: Simplify right side
20,573,852.30x = 213,476,762,409,045.41 - Step 5: Solve for x
x = 213,476,762,409,045.41/20,573,852.30 - Step 6: Final answer
x = 10,376,120.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.