Finding the Fourth Proportional to 19,719,961.68, 29,581,469.39 and 6,589,424.96
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Solution
The fourth proportional to 19,719,961.68, 29,581,469.39 and 6,589,424.96 is: 9,884,647.64
Step by Step Solution
- Step 1: Write the proportion equation
19,719,961.68 : 29,581,469.39 = 6,589,424.96 : x - Step 2: Convert to fraction form
19,719,961.68/29,581,469.39 = 6,589,424.96/x - Step 3: Cross multiply
19,719,961.68x = 29,581,469.39 × 6,589,424.96 - Step 4: Simplify right side
19,719,961.68x = 194,924,872,731,438.69 - Step 5: Solve for x
x = 194,924,872,731,438.69/19,719,961.68 - Step 6: Final answer
x = 9,884,647.64
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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.