Finding the Fourth Proportional to 7,165,365.74, 9,888,136.68 and 3,902,234.98
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Solution
The fourth proportional to 7,165,365.74, 9,888,136.68 and 3,902,234.98 is: 5,385,047.22
Step by Step Solution
- Step 1: Write the proportion equation
7,165,365.74 : 9,888,136.68 = 3,902,234.98 : x - Step 2: Convert to fraction form
7,165,365.74/9,888,136.68 = 3,902,234.98/x - Step 3: Cross multiply
7,165,365.74x = 9,888,136.68 × 3,902,234.98 - Step 4: Simplify right side
7,165,365.74x = 38,585,832,839,717.06 - Step 5: Solve for x
x = 38,585,832,839,717.06/7,165,365.74 - Step 6: Final answer
x = 5,385,047.22
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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.