Finding the Fourth Proportional to 21,593,743.68, 29,799,361.92 and 11,804,228.88
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Solution
The fourth proportional to 21,593,743.68, 29,799,361.92 and 11,804,228.88 is: 16,289,833.47
Step by Step Solution
- Step 1: Write the proportion equation
21,593,743.68 : 29,799,361.92 = 11,804,228.88 : x - Step 2: Convert to fraction form
21,593,743.68/29,799,361.92 = 11,804,228.88/x - Step 3: Cross multiply
21,593,743.68x = 29,799,361.92 × 11,804,228.88 - Step 4: Simplify right side
21,593,743.68x = 351,758,488,581,636.31 - Step 5: Solve for x
x = 351,758,488,581,636.31/21,593,743.68 - Step 6: Final answer
x = 16,289,833.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.