Finding the Fourth Proportional to 7,165,363.75, 9,888,133.93 and 3,902,232.98
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Solution
The fourth proportional to 7,165,363.75, 9,888,133.93 and 3,902,232.98 is: 5,385,044.46
Step by Step Solution
- Step 1: Write the proportion equation
7,165,363.75 : 9,888,133.93 = 3,902,232.98 : x - Step 2: Convert to fraction form
7,165,363.75/9,888,133.93 = 3,902,232.98/x - Step 3: Cross multiply
7,165,363.75x = 9,888,133.93 × 3,902,232.98 - Step 4: Simplify right side
7,165,363.75x = 38,585,802,347,267.77 - Step 5: Solve for x
x = 38,585,802,347,267.77/7,165,363.75 - Step 6: Final answer
x = 5,385,044.46
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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.