Finding the Fourth Proportional to 49,480,763.12, 68,287,193.16 and 27,458,431.28
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Solution
The fourth proportional to 49,480,763.12, 68,287,193.16 and 27,458,431.28 is: 37,894,710.64
Step by Step Solution
- Step 1: Write the proportion equation
49,480,763.12 : 68,287,193.16 = 27,458,431.28 : x - Step 2: Convert to fraction form
49,480,763.12/68,287,193.16 = 27,458,431.28/x - Step 3: Cross multiply
49,480,763.12x = 68,287,193.16 × 27,458,431.28 - Step 4: Simplify right side
49,480,763.12x = 1,875,059,200,687,946 - Step 5: Solve for x
x = 1,875,059,200,687,946/49,480,763.12 - Step 6: Final answer
x = 37,894,710.64
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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.