Finding the Fourth Proportional to 19,519,914.52, 29,105,358.55 and 18,983,617.12
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Solution
The fourth proportional to 19,519,914.52, 29,105,358.55 and 18,983,617.12 is: 28,305,707.09
Step by Step Solution
- Step 1: Write the proportion equation
19,519,914.52 : 29,105,358.55 = 18,983,617.12 : x - Step 2: Convert to fraction form
19,519,914.52/29,105,358.55 = 18,983,617.12/x - Step 3: Cross multiply
19,519,914.52x = 29,105,358.55 × 18,983,617.12 - Step 4: Simplify right side
19,519,914.52x = 552,524,982,707,991.56 - Step 5: Solve for x
x = 552,524,982,707,991.56/19,519,914.52 - Step 6: Final answer
x = 28,305,707.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.