Finding the Fourth Proportional to 39,874,916.66, 55,037,622.62 and 25,970,918.36
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Solution
The fourth proportional to 39,874,916.66, 55,037,622.62 and 25,970,918.36 is: 35,846,535.20
Step by Step Solution
- Step 1: Write the proportion equation
39,874,916.66 : 55,037,622.62 = 25,970,918.36 : x - Step 2: Convert to fraction form
39,874,916.66/55,037,622.62 = 25,970,918.36/x - Step 3: Cross multiply
39,874,916.66x = 55,037,622.62 × 25,970,918.36 - Step 4: Simplify right side
39,874,916.66x = 1,429,377,603,792,509.25 - Step 5: Solve for x
x = 1,429,377,603,792,509.25/39,874,916.66 - Step 6: Final answer
x = 35,846,535.20
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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.