Finding the Fourth Proportional to 21,591,444.24, 32,392,844.36 and 7,759,800
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Solution
The fourth proportional to 21,591,444.24, 32,392,844.36 and 7,759,800 is: 11,641,740.63
Step by Step Solution
- Step 1: Write the proportion equation
21,591,444.24 : 32,392,844.36 = 7,759,800 : x - Step 2: Convert to fraction form
21,591,444.24/32,392,844.36 = 7,759,800/x - Step 3: Cross multiply
21,591,444.24x = 32,392,844.36 × 7,759,800 - Step 4: Simplify right side
21,591,444.24x = 251,361,993,664,728 - Step 5: Solve for x
x = 251,361,993,664,728/21,591,444.24 - Step 6: Final answer
x = 11,641,740.63
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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.