Finding the Fourth Proportional to 13,081,884.19, 19,621,329.01 and 3,498,010.05
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Solution
The fourth proportional to 13,081,884.19, 19,621,329.01 and 3,498,010.05 is: 5,246,614.72
Step by Step Solution
- Step 1: Write the proportion equation
13,081,884.19 : 19,621,329.01 = 3,498,010.05 : x - Step 2: Convert to fraction form
13,081,884.19/19,621,329.01 = 3,498,010.05/x - Step 3: Cross multiply
13,081,884.19x = 19,621,329.01 × 3,498,010.05 - Step 4: Simplify right side
13,081,884.19x = 68,635,606,136,171.51 - Step 5: Solve for x
x = 68,635,606,136,171.51/13,081,884.19 - Step 6: Final answer
x = 5,246,614.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.