Finding the Fourth Proportional to 18,521,389.35, 27,783,133.79 and 5,743,710.63
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Solution
The fourth proportional to 18,521,389.35, 27,783,133.79 and 5,743,710.63 is: 8,615,891.49
Step by Step Solution
- Step 1: Write the proportion equation
18,521,389.35 : 27,783,133.79 = 5,743,710.63 : x - Step 2: Convert to fraction form
18,521,389.35/27,783,133.79 = 5,743,710.63/x - Step 3: Cross multiply
18,521,389.35x = 27,783,133.79 × 5,743,710.63 - Step 4: Simplify right side
18,521,389.35x = 159,578,280,855,616.62 - Step 5: Solve for x
x = 159,578,280,855,616.62/18,521,389.35 - Step 6: Final answer
x = 8,615,891.49
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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.