Finding the Fourth Proportional to 7,314,277.23, 10,100,487.47 and 5,475,543.30
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Solution
The fourth proportional to 7,314,277.23, 10,100,487.47 and 5,475,543.30 is: 7,561,328.99
Step by Step Solution
- Step 1: Write the proportion equation
7,314,277.23 : 10,100,487.47 = 5,475,543.30 : x - Step 2: Convert to fraction form
7,314,277.23/10,100,487.47 = 5,475,543.30/x - Step 3: Cross multiply
7,314,277.23x = 10,100,487.47 × 5,475,543.30 - Step 4: Simplify right side
7,314,277.23x = 55,305,656,465,714.73 - Step 5: Solve for x
x = 55,305,656,465,714.73/7,314,277.23 - Step 6: Final answer
x = 7,561,328.99
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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.