Finding the Fourth Proportional to 21,441,715.74, 29,589,855.93 and 11,652,353.82
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Solution
The fourth proportional to 21,441,715.74, 29,589,855.93 and 11,652,353.82 is: 16,080,404.90
Step by Step Solution
- Step 1: Write the proportion equation
21,441,715.74 : 29,589,855.93 = 11,652,353.82 : x - Step 2: Convert to fraction form
21,441,715.74/29,589,855.93 = 11,652,353.82/x - Step 3: Cross multiply
21,441,715.74x = 29,589,855.93 × 11,652,353.82 - Step 4: Simplify right side
21,441,715.74x = 344,791,470,779,185.19 - Step 5: Solve for x
x = 344,791,470,779,185.19/21,441,715.74 - Step 6: Final answer
x = 16,080,404.90
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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.