Finding the Fourth Proportional to 7,136,392.85, 9,848,231.88 and 3,873,207.62
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Solution
The fourth proportional to 7,136,392.85, 9,848,231.88 and 3,873,207.62 is: 5,345,031.81
Step by Step Solution
- Step 1: Write the proportion equation
7,136,392.85 : 9,848,231.88 = 3,873,207.62 : x - Step 2: Convert to fraction form
7,136,392.85/9,848,231.88 = 3,873,207.62/x - Step 3: Cross multiply
7,136,392.85x = 9,848,231.88 × 3,873,207.62 - Step 4: Simplify right side
7,136,392.85x = 38,144,246,771,238.98 - Step 5: Solve for x
x = 38,144,246,771,238.98/7,136,392.85 - Step 6: Final answer
x = 5,345,031.81
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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.