Finding the Fourth Proportional to 11,389,042.62, 15,716,879.61 and 6,232,404.42
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Solution
The fourth proportional to 11,389,042.62, 15,716,879.61 and 6,232,404.42 is: 8,600,718.53
Step by Step Solution
- Step 1: Write the proportion equation
11,389,042.62 : 15,716,879.61 = 6,232,404.42 : x - Step 2: Convert to fraction form
11,389,042.62/15,716,879.61 = 6,232,404.42/x - Step 3: Cross multiply
11,389,042.62x = 15,716,879.61 × 6,232,404.42 - Step 4: Simplify right side
11,389,042.62x = 97,953,949,949,971.88 - Step 5: Solve for x
x = 97,953,949,949,971.88/11,389,042.62 - Step 6: Final answer
x = 8,600,718.53
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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.