Finding the Fourth Proportional to 13,190,629.80, 19,785,960.99 and 3,606,091.32
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Solution
The fourth proportional to 13,190,629.80, 19,785,960.99 and 3,606,091.32 is: 5,409,141.43
Step by Step Solution
- Step 1: Write the proportion equation
13,190,629.80 : 19,785,960.99 = 3,606,091.32 : x - Step 2: Convert to fraction form
13,190,629.80/19,785,960.99 = 3,606,091.32/x - Step 3: Cross multiply
13,190,629.80x = 19,785,960.99 × 3,606,091.32 - Step 4: Simplify right side
13,190,629.80x = 71,349,982,183,897.59 - Step 5: Solve for x
x = 71,349,982,183,897.59/13,190,629.80 - Step 6: Final answer
x = 5,409,141.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.