Finding the Fourth Proportional to 8,897,467.64, 13,347,239.34 and 3,220,365.56
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Solution
The fourth proportional to 8,897,467.64, 13,347,239.34 and 3,220,365.56 is: 4,830,923.99
Step by Step Solution
- Step 1: Write the proportion equation
8,897,467.64 : 13,347,239.34 = 3,220,365.56 : x - Step 2: Convert to fraction form
8,897,467.64/13,347,239.34 = 3,220,365.56/x - Step 3: Cross multiply
8,897,467.64x = 13,347,239.34 × 3,220,365.56 - Step 4: Simplify right side
8,897,467.64x = 42,982,989,891,613.13 - Step 5: Solve for x
x = 42,982,989,891,613.13/8,897,467.64 - Step 6: Final answer
x = 4,830,923.99
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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.