Finding the Fourth Proportional to 7,813,666.19, 11,720,942.17 and 2,423,082.98
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Solution
The fourth proportional to 7,813,666.19, 11,720,942.17 and 2,423,082.98 is: 3,634,761.81
Step by Step Solution
- Step 1: Write the proportion equation
7,813,666.19 : 11,720,942.17 = 2,423,082.98 : x - Step 2: Convert to fraction form
7,813,666.19/11,720,942.17 = 2,423,082.98/x - Step 3: Cross multiply
7,813,666.19x = 11,720,942.17 × 2,423,082.98 - Step 4: Simplify right side
7,813,666.19x = 28,400,815,417,028.85 - Step 5: Solve for x
x = 28,400,815,417,028.85/7,813,666.19 - Step 6: Final answer
x = 3,634,761.81
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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.