Finding the Fourth Proportional to 7,105,194.35, 10,653,711.90 and 2,782,183.05
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Solution
The fourth proportional to 7,105,194.35, 10,653,711.90 and 2,782,183.05 is: 4,171,677.12
Step by Step Solution
- Step 1: Write the proportion equation
7,105,194.35 : 10,653,711.90 = 2,782,183.05 : x - Step 2: Convert to fraction form
7,105,194.35/10,653,711.90 = 2,782,183.05/x - Step 3: Cross multiply
7,105,194.35x = 10,653,711.90 × 2,782,183.05 - Step 4: Simplify right side
7,105,194.35x = 29,640,576,667,763.29 - Step 5: Solve for x
x = 29,640,576,667,763.29/7,105,194.35 - Step 6: Final answer
x = 4,171,677.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.