Finding the Fourth Proportional to 36,130,072.12, 49,858,873.80 and 19,609,841.96
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Solution
The fourth proportional to 36,130,072.12, 49,858,873.80 and 19,609,841.96 is: 27,061,242.29
Step by Step Solution
- Step 1: Write the proportion equation
36,130,072.12 : 49,858,873.80 = 19,609,841.96 : x - Step 2: Convert to fraction form
36,130,072.12/49,858,873.80 = 19,609,841.96/x - Step 3: Cross multiply
36,130,072.12x = 49,858,873.80 × 19,609,841.96 - Step 4: Simplify right side
36,130,072.12x = 977,724,635,776,485.75 - Step 5: Solve for x
x = 977,724,635,776,485.75/36,130,072.12 - Step 6: Final answer
x = 27,061,242.29
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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.