Finding the Fourth Proportional to 7,444,491.80, 11,166,737.70 and 5,554,923.80
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Solution
The fourth proportional to 7,444,491.80, 11,166,737.70 and 5,554,923.80 is: 8,332,385.70
Step by Step Solution
- Step 1: Write the proportion equation
7,444,491.80 : 11,166,737.70 = 5,554,923.80 : x - Step 2: Convert to fraction form
7,444,491.80/11,166,737.70 = 5,554,923.80/x - Step 3: Cross multiply
7,444,491.80x = 11,166,737.70 × 5,554,923.80 - Step 4: Simplify right side
7,444,491.80x = 62,030,377,018,087.25 - Step 5: Solve for x
x = 62,030,377,018,087.25/7,444,491.80 - Step 6: Final answer
x = 8,332,385.70
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1.5x scale
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.