Finding the Fourth Proportional to 19,474,801.96, 29,214,860.62 and 8,112,593.38
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Solution
The fourth proportional to 19,474,801.96, 29,214,860.62 and 8,112,593.38 is: 12,169,997.18
Step by Step Solution
- Step 1: Write the proportion equation
19,474,801.96 : 29,214,860.62 = 8,112,593.38 : x - Step 2: Convert to fraction form
19,474,801.96/29,214,860.62 = 8,112,593.38/x - Step 3: Cross multiply
19,474,801.96x = 29,214,860.62 × 8,112,593.38 - Step 4: Simplify right side
19,474,801.96x = 237,008,284,863,434.69 - Step 5: Solve for x
x = 237,008,284,863,434.69/19,474,801.96 - Step 6: Final answer
x = 12,169,997.18
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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.