Finding the Fourth Proportional to 7,177,132.58, 9,896,918.58 and 4,726,613.66
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Solution
The fourth proportional to 7,177,132.58, 9,896,918.58 and 4,726,613.66 is: 6,517,771.55
Step by Step Solution
- Step 1: Write the proportion equation
7,177,132.58 : 9,896,918.58 = 4,726,613.66 : x - Step 2: Convert to fraction form
7,177,132.58/9,896,918.58 = 4,726,613.66/x - Step 3: Cross multiply
7,177,132.58x = 9,896,918.58 × 4,726,613.66 - Step 4: Simplify right side
7,177,132.58x = 46,778,910,502,651.21 - Step 5: Solve for x
x = 46,778,910,502,651.21/7,177,132.58 - Step 6: Final answer
x = 6,517,771.55
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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.