Finding the Fourth Proportional to 11,317,368.67, 16,964,702.19 and 5,256,356.90
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Solution
The fourth proportional to 11,317,368.67, 16,964,702.19 and 5,256,356.90 is: 7,879,263.45
Step by Step Solution
- Step 1: Write the proportion equation
11,317,368.67 : 16,964,702.19 = 5,256,356.90 : x - Step 2: Convert to fraction form
11,317,368.67/16,964,702.19 = 5,256,356.90/x - Step 3: Cross multiply
11,317,368.67x = 16,964,702.19 × 5,256,356.90 - Step 4: Simplify right side
11,317,368.67x = 89,172,529,328,028.09 - Step 5: Solve for x
x = 89,172,529,328,028.09/11,317,368.67 - Step 6: Final answer
x = 7,879,263.45
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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.