Finding the Fourth Proportional to 11,731,520.18, 16,190,132.37 and 6,576,537.62
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Solution
The fourth proportional to 11,731,520.18, 16,190,132.37 and 6,576,537.62 is: 9,075,977.62
Step by Step Solution
- Step 1: Write the proportion equation
11,731,520.18 : 16,190,132.37 = 6,576,537.62 : x - Step 2: Convert to fraction form
11,731,520.18/16,190,132.37 = 6,576,537.62/x - Step 3: Cross multiply
11,731,520.18x = 16,190,132.37 × 6,576,537.62 - Step 4: Simplify right side
11,731,520.18x = 106,475,014,604,084.75 - Step 5: Solve for x
x = 106,475,014,604,084.75/11,731,520.18 - Step 6: Final answer
x = 9,075,977.62
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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.