Finding the Fourth Proportional to 7,476,020.44, 10,316,912.36 and 4,038,261.50
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Solution
The fourth proportional to 7,476,020.44, 10,316,912.36 and 4,038,261.50 is: 5,572,803.12
Step by Step Solution
- Step 1: Write the proportion equation
7,476,020.44 : 10,316,912.36 = 4,038,261.50 : x - Step 2: Convert to fraction form
7,476,020.44/10,316,912.36 = 4,038,261.50/x - Step 3: Cross multiply
7,476,020.44x = 10,316,912.36 × 4,038,261.50 - Step 4: Simplify right side
7,476,020.44x = 41,662,389,987,863.12 - Step 5: Solve for x
x = 41,662,389,987,863.12/7,476,020.44 - Step 6: Final answer
x = 5,572,803.12
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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.