Finding the Fourth Proportional to 17,388,340.80, 26,081,344.80 and 4,608,571.20
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Solution
The fourth proportional to 17,388,340.80, 26,081,344.80 and 4,608,571.20 is: 6,912,547.66
Step by Step Solution
- Step 1: Write the proportion equation
17,388,340.80 : 26,081,344.80 = 4,608,571.20 : x - Step 2: Convert to fraction form
17,388,340.80/26,081,344.80 = 4,608,571.20/x - Step 3: Cross multiply
17,388,340.80x = 26,081,344.80 × 4,608,571.20 - Step 4: Simplify right side
17,388,340.80x = 120,197,734,502,549.77 - Step 5: Solve for x
x = 120,197,734,502,549.77/17,388,340.80 - Step 6: Final answer
x = 6,912,547.66
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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.