Finding the Fourth Proportional to 28,057,762.08, 38,708,694.92 and 16,295,028.08
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Solution
The fourth proportional to 28,057,762.08, 38,708,694.92 and 16,295,028.08 is: 22,480,740.58
Step by Step Solution
- Step 1: Write the proportion equation
28,057,762.08 : 38,708,694.92 = 16,295,028.08 : x - Step 2: Convert to fraction form
28,057,762.08/38,708,694.92 = 16,295,028.08/x - Step 3: Cross multiply
28,057,762.08x = 38,708,694.92 × 16,295,028.08 - Step 4: Simplify right side
28,057,762.08x = 630,759,270,661,553.38 - Step 5: Solve for x
x = 630,759,270,661,553.38/28,057,762.08 - Step 6: Final answer
x = 22,480,740.58
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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.