Finding the Fourth Proportional to 46,181,012.76, 69,260,321.70 and 19,239,972.12
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Solution
The fourth proportional to 46,181,012.76, 69,260,321.70 and 19,239,972.12 is: 28,855,293.09
Step by Step Solution
- Step 1: Write the proportion equation
46,181,012.76 : 69,260,321.70 = 19,239,972.12 : x - Step 2: Convert to fraction form
46,181,012.76/69,260,321.70 = 19,239,972.12/x - Step 3: Cross multiply
46,181,012.76x = 69,260,321.70 × 19,239,972.12 - Step 4: Simplify right side
46,181,012.76x = 1,332,566,658,530,231.25 - Step 5: Solve for x
x = 1,332,566,658,530,231.25/46,181,012.76 - Step 6: Final answer
x = 28,855,293.09
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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.