Finding the Fourth Proportional to 10,169,987.62, 14,034,685.99 and 5,523,817.60
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Solution
The fourth proportional to 10,169,987.62, 14,034,685.99 and 5,523,817.60 is: 7,622,924.27
Step by Step Solution
- Step 1: Write the proportion equation
10,169,987.62 : 14,034,685.99 = 5,523,817.60 : x - Step 2: Convert to fraction form
10,169,987.62/14,034,685.99 = 5,523,817.60/x - Step 3: Cross multiply
10,169,987.62x = 14,034,685.99 × 5,523,817.60 - Step 4: Simplify right side
10,169,987.62x = 77,525,045,482,035.42 - Step 5: Solve for x
x = 77,525,045,482,035.42/10,169,987.62 - Step 6: Final answer
x = 7,622,924.27
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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.