Finding the Fourth Proportional to 7,640,526.48, 10,545,423.84 and 4,379,524.80
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Solution
The fourth proportional to 7,640,526.48, 10,545,423.84 and 4,379,524.80 is: 6,044,602.47
Step by Step Solution
- Step 1: Write the proportion equation
7,640,526.48 : 10,545,423.84 = 4,379,524.80 : x - Step 2: Convert to fraction form
7,640,526.48/10,545,423.84 = 4,379,524.80/x - Step 3: Cross multiply
7,640,526.48x = 10,545,423.84 × 4,379,524.80 - Step 4: Simplify right side
7,640,526.48x = 46,183,945,233,791.23 - Step 5: Solve for x
x = 46,183,945,233,791.23/7,640,526.48 - Step 6: Final answer
x = 6,044,602.47
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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.