Finding the Fourth Proportional to 7,638,256.75, 10,537,810.99 and 4,373,326.57
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Solution
The fourth proportional to 7,638,256.75, 10,537,810.99 and 4,373,326.57 is: 6,033,482.55
Step by Step Solution
- Step 1: Write the proportion equation
7,638,256.75 : 10,537,810.99 = 4,373,326.57 : x - Step 2: Convert to fraction form
7,638,256.75/10,537,810.99 = 4,373,326.57/x - Step 3: Cross multiply
7,638,256.75x = 10,537,810.99 × 4,373,326.57 - Step 4: Simplify right side
7,638,256.75x = 46,085,288,792,205.01 - Step 5: Solve for x
x = 46,085,288,792,205.01/7,638,256.75 - Step 6: Final answer
x = 6,033,482.55
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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.