Finding the Fourth Proportional to 8,000,452.81, 11,040,653.94 and 4,329,368.95
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Solution
The fourth proportional to 8,000,452.81, 11,040,653.94 and 4,329,368.95 is: 5,974,544.88
Step by Step Solution
- Step 1: Write the proportion equation
8,000,452.81 : 11,040,653.94 = 4,329,368.95 : x - Step 2: Convert to fraction form
8,000,452.81/11,040,653.94 = 4,329,368.95/x - Step 3: Cross multiply
8,000,452.81x = 11,040,653.94 × 4,329,368.95 - Step 4: Simplify right side
8,000,452.81x = 47,799,064,355,531.16 - Step 5: Solve for x
x = 47,799,064,355,531.16/8,000,452.81 - Step 6: Final answer
x = 5,974,544.88
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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.