Finding the Fourth Proportional to 26,361,986.97, 36,379,135.69 and 14,759,965.64
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Solution
The fourth proportional to 26,361,986.97, 36,379,135.69 and 14,759,965.64 is: 20,368,525.08
Step by Step Solution
- Step 1: Write the proportion equation
26,361,986.97 : 36,379,135.69 = 14,759,965.64 : x - Step 2: Convert to fraction form
26,361,986.97/36,379,135.69 = 14,759,965.64/x - Step 3: Cross multiply
26,361,986.97x = 36,379,135.69 × 14,759,965.64 - Step 4: Simplify right side
26,361,986.97x = 536,954,792,797,297.69 - Step 5: Solve for x
x = 536,954,792,797,297.69/26,361,986.97 - Step 6: Final answer
x = 20,368,525.08
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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.