Finding the Fourth Proportional to 7,495,543.25, 10,343,872.98 and 4,057,776.08
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Solution
The fourth proportional to 7,495,543.25, 10,343,872.98 and 4,057,776.08 is: 5,599,743.60
Step by Step Solution
- Step 1: Write the proportion equation
7,495,543.25 : 10,343,872.98 = 4,057,776.08 : x - Step 2: Convert to fraction form
7,495,543.25/10,343,872.98 = 4,057,776.08/x - Step 3: Cross multiply
7,495,543.25x = 10,343,872.98 × 4,057,776.08 - Step 4: Simplify right side
7,495,543.25x = 41,973,120,378,662 - Step 5: Solve for x
x = 41,973,120,378,662/7,495,543.25 - Step 6: Final answer
x = 5,599,743.60
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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.