Finding the Fourth Proportional to 7,968,959.42, 10,997,112.62 and 4,531,200.14
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Solution
The fourth proportional to 7,968,959.42, 10,997,112.62 and 4,531,200.14 is: 6,253,026.99
Step by Step Solution
- Step 1: Write the proportion equation
7,968,959.42 : 10,997,112.62 = 4,531,200.14 : x - Step 2: Convert to fraction form
7,968,959.42/10,997,112.62 = 4,531,200.14/x - Step 3: Cross multiply
7,968,959.42x = 10,997,112.62 × 4,531,200.14 - Step 4: Simplify right side
7,968,959.42x = 49,830,118,282,160.55 - Step 5: Solve for x
x = 49,830,118,282,160.55/7,968,959.42 - Step 6: Final answer
x = 6,253,026.99
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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.