Finding the Fourth Proportional to 16,747,611.84, 23,112,261.36 and 9,406,739.52
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Solution
The fourth proportional to 16,747,611.84, 23,112,261.36 and 9,406,739.52 is: 12,981,613.40
Step by Step Solution
- Step 1: Write the proportion equation
16,747,611.84 : 23,112,261.36 = 9,406,739.52 : x - Step 2: Convert to fraction form
16,747,611.84/23,112,261.36 = 9,406,739.52/x - Step 3: Cross multiply
16,747,611.84x = 23,112,261.36 × 9,406,739.52 - Step 4: Simplify right side
16,747,611.84x = 217,411,022,331,680.94 - Step 5: Solve for x
x = 217,411,022,331,680.94/16,747,611.84 - Step 6: Final answer
x = 12,981,613.40
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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.