Finding the Fourth Proportional to 19,854,544.20, 29,783,531.73 and 5,477,612.01
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Solution
The fourth proportional to 19,854,544.20, 29,783,531.73 and 5,477,612.01 is: 8,216,891.28
Step by Step Solution
- Step 1: Write the proportion equation
19,854,544.20 : 29,783,531.73 = 5,477,612.01 : x - Step 2: Convert to fraction form
19,854,544.20/29,783,531.73 = 5,477,612.01/x - Step 3: Cross multiply
19,854,544.20x = 29,783,531.73 × 5,477,612.01 - Step 4: Simplify right side
19,854,544.20x = 163,142,631,104,464.06 - Step 5: Solve for x
x = 163,142,631,104,464.06/19,854,544.20 - Step 6: Final answer
x = 8,216,891.28
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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.