Finding the Fourth Proportional to 7,449,893.80, 11,174,840.70 and 3,670,757.80
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Solution
The fourth proportional to 7,449,893.80, 11,174,840.70 and 3,670,757.80 is: 5,506,136.70
Step by Step Solution
- Step 1: Write the proportion equation
7,449,893.80 : 11,174,840.70 = 3,670,757.80 : x - Step 2: Convert to fraction form
7,449,893.80/11,174,840.70 = 3,670,757.80/x - Step 3: Cross multiply
7,449,893.80x = 11,174,840.70 × 3,670,757.80 - Step 4: Simplify right side
7,449,893.80x = 41,020,133,663,282.45 - Step 5: Solve for x
x = 41,020,133,663,282.45/7,449,893.80 - Step 6: Final answer
x = 5,506,136.70
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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.