Finding the Fourth Proportional to 7,762,695.70, 11,644,043.55 and 4,403,463.70
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Solution
The fourth proportional to 7,762,695.70, 11,644,043.55 and 4,403,463.70 is: 6,605,195.55
Step by Step Solution
- Step 1: Write the proportion equation
7,762,695.70 : 11,644,043.55 = 4,403,463.70 : x - Step 2: Convert to fraction form
7,762,695.70/11,644,043.55 = 4,403,463.70/x - Step 3: Cross multiply
7,762,695.70x = 11,644,043.55 × 4,403,463.70 - Step 4: Simplify right side
7,762,695.70x = 51,274,123,093,644.14 - Step 5: Solve for x
x = 51,274,123,093,644.14/7,762,695.70 - Step 6: Final answer
x = 6,605,195.55
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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.