Finding the Fourth Proportional to 19,313,979.92, 28,970,857.08 and 4,937,028.56
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Solution
The fourth proportional to 19,313,979.92, 28,970,857.08 and 4,937,028.56 is: 7,405,514.01
Step by Step Solution
- Step 1: Write the proportion equation
19,313,979.92 : 28,970,857.08 = 4,937,028.56 : x - Step 2: Convert to fraction form
19,313,979.92/28,970,857.08 = 4,937,028.56/x - Step 3: Cross multiply
19,313,979.92x = 28,970,857.08 × 4,937,028.56 - Step 4: Simplify right side
19,313,979.92x = 143,029,948,811,638.19 - Step 5: Solve for x
x = 143,029,948,811,638.19/19,313,979.92 - Step 6: Final answer
x = 7,405,514.01
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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.