Finding the Fourth Proportional to 7,424,732.70, 11,128,241.70 and 6,663,000.60
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Solution
The fourth proportional to 7,424,732.70, 11,128,241.70 and 6,663,000.60 is: 9,986,552.26
Step by Step Solution
- Step 1: Write the proportion equation
7,424,732.70 : 11,128,241.70 = 6,663,000.60 : x - Step 2: Convert to fraction form
7,424,732.70/11,128,241.70 = 6,663,000.60/x - Step 3: Cross multiply
7,424,732.70x = 11,128,241.70 × 6,663,000.60 - Step 4: Simplify right side
7,424,732.70x = 74,147,481,124,045.02 - Step 5: Solve for x
x = 74,147,481,124,045.02/7,424,732.70 - Step 6: Final answer
x = 9,986,552.26
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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.