Finding the Fourth Proportional to 11,631,664.89, 16,051,978.98 and 6,475,374.99
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Solution
The fourth proportional to 11,631,664.89, 16,051,978.98 and 6,475,374.99 is: 8,936,174.16
Step by Step Solution
- Step 1: Write the proportion equation
11,631,664.89 : 16,051,978.98 = 6,475,374.99 : x - Step 2: Convert to fraction form
11,631,664.89/16,051,978.98 = 6,475,374.99/x - Step 3: Cross multiply
11,631,664.89x = 16,051,978.98 × 6,475,374.99 - Step 4: Simplify right side
11,631,664.89x = 103,942,583,227,097.72 - Step 5: Solve for x
x = 103,942,583,227,097.72/11,631,664.89 - Step 6: Final answer
x = 8,936,174.16
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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.