Finding the Fourth Proportional to 8,167,467.09, 11,271,763.54 and 4,683,130.09
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Solution
The fourth proportional to 8,167,467.09, 11,271,763.54 and 4,683,130.09 is: 6,463,097.36
Step by Step Solution
- Step 1: Write the proportion equation
8,167,467.09 : 11,271,763.54 = 4,683,130.09 : x - Step 2: Convert to fraction form
8,167,467.09/11,271,763.54 = 4,683,130.09/x - Step 3: Cross multiply
8,167,467.09x = 11,271,763.54 × 4,683,130.09 - Step 4: Simplify right side
8,167,467.09x = 52,787,134,979,213.42 - Step 5: Solve for x
x = 52,787,134,979,213.42/8,167,467.09 - Step 6: Final answer
x = 6,463,097.36
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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.