Finding the Fourth Proportional to 11,473,094.80, 15,832,269.72 and 6,315,448.96
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Solution
The fourth proportional to 11,473,094.80, 15,832,269.72 and 6,315,448.96 is: 8,714,988.68
Step by Step Solution
- Step 1: Write the proportion equation
11,473,094.80 : 15,832,269.72 = 6,315,448.96 : x - Step 2: Convert to fraction form
11,473,094.80/15,832,269.72 = 6,315,448.96/x - Step 3: Cross multiply
11,473,094.80x = 15,832,269.72 × 6,315,448.96 - Step 4: Simplify right side
11,473,094.80x = 99,987,891,337,613.50 - Step 5: Solve for x
x = 99,987,891,337,613.50/11,473,094.80 - Step 6: Final answer
x = 8,714,988.68
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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.