Finding the Fourth Proportional to 35,635,968.74, 49,177,636.44 and 19,338,444.74
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Solution
The fourth proportional to 35,635,968.74, 49,177,636.44 and 19,338,444.74 is: 26,687,053.51
Step by Step Solution
- Step 1: Write the proportion equation
35,635,968.74 : 49,177,636.44 = 19,338,444.74 : x - Step 2: Convert to fraction form
35,635,968.74/49,177,636.44 = 19,338,444.74/x - Step 3: Cross multiply
35,635,968.74x = 49,177,636.44 × 19,338,444.74 - Step 4: Simplify right side
35,635,968.74x = 951,019,004,738,750.25 - Step 5: Solve for x
x = 951,019,004,738,750.25/35,635,968.74 - Step 6: Final answer
x = 26,687,053.51
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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.