Finding the Fourth Proportional to 46,585,578.80, 69,878,368.20 and 16,290,282.80
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Solution
The fourth proportional to 46,585,578.80, 69,878,368.20 and 16,290,282.80 is: 24,435,424.20
Step by Step Solution
- Step 1: Write the proportion equation
46,585,578.80 : 69,878,368.20 = 16,290,282.80 : x - Step 2: Convert to fraction form
46,585,578.80/69,878,368.20 = 16,290,282.80/x - Step 3: Cross multiply
46,585,578.80x = 69,878,368.20 × 16,290,282.80 - Step 4: Simplify right side
46,585,578.80x = 1,138,338,379,580,527 - Step 5: Solve for x
x = 1,138,338,379,580,527/46,585,578.80 - Step 6: Final answer
x = 24,435,424.20
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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.