Finding the Fourth Proportional to 7,390,169.42, 11,085,249.42 and 5,381,193.26
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Solution
The fourth proportional to 7,390,169.42, 11,085,249.42 and 5,381,193.26 is: 8,071,786.46
Step by Step Solution
- Step 1: Write the proportion equation
7,390,169.42 : 11,085,249.42 = 5,381,193.26 : x - Step 2: Convert to fraction form
7,390,169.42/11,085,249.42 = 5,381,193.26/x - Step 3: Cross multiply
7,390,169.42x = 11,085,249.42 × 5,381,193.26 - Step 4: Simplify right side
7,390,169.42x = 59,651,869,464,322.91 - Step 5: Solve for x
x = 59,651,869,464,322.91/7,390,169.42 - Step 6: Final answer
x = 8,071,786.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.