Finding the Fourth Proportional to 13,092,530.65, 18,066,397.79 and 7,291,852.09
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Solution
The fourth proportional to 13,092,530.65, 18,066,397.79 and 7,291,852.09 is: 10,062,034.91
Step by Step Solution
- Step 1: Write the proportion equation
13,092,530.65 : 18,066,397.79 = 7,291,852.09 : x - Step 2: Convert to fraction form
13,092,530.65/18,066,397.79 = 7,291,852.09/x - Step 3: Cross multiply
13,092,530.65x = 18,066,397.79 × 7,291,852.09 - Step 4: Simplify right side
13,092,530.65x = 131,737,500,447,323.62 - Step 5: Solve for x
x = 131,737,500,447,323.62/13,092,530.65 - Step 6: Final answer
x = 10,062,034.91
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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.