Finding the Fourth Proportional to 19,674,493.20, 29,511,739.80 and 6,209,571.60
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Solution
The fourth proportional to 19,674,493.20, 29,511,739.80 and 6,209,571.60 is: 9,314,357.40
Step by Step Solution
- Step 1: Write the proportion equation
19,674,493.20 : 29,511,739.80 = 6,209,571.60 : x - Step 2: Convert to fraction form
19,674,493.20/29,511,739.80 = 6,209,571.60/x - Step 3: Cross multiply
19,674,493.20x = 29,511,739.80 × 6,209,571.60 - Step 4: Simplify right side
19,674,493.20x = 183,255,261,328,669.69 - Step 5: Solve for x
x = 183,255,261,328,669.69/19,674,493.20 - Step 6: Final answer
x = 9,314,357.40
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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.