Finding the Fourth Proportional to 28,661,403.24, 39,552,464.34 and 15,608,880
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Solution
The fourth proportional to 28,661,403.24, 39,552,464.34 and 15,608,880 is: 21,540,106.20
Step by Step Solution
- Step 1: Write the proportion equation
28,661,403.24 : 39,552,464.34 = 15,608,880 : x - Step 2: Convert to fraction form
28,661,403.24/39,552,464.34 = 15,608,880/x - Step 3: Cross multiply
28,661,403.24x = 39,552,464.34 × 15,608,880 - Step 4: Simplify right side
28,661,403.24x = 617,369,669,587,339.25 - Step 5: Solve for x
x = 617,369,669,587,339.25/28,661,403.24 - Step 6: Final answer
x = 21,540,106.20
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1.5x scale
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.