Finding the Fourth Proportional to 49,711,904.13, 68,604,556.11 and 27,685,403.49
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Solution
The fourth proportional to 49,711,904.13, 68,604,556.11 and 27,685,403.49 is: 38,207,042.16
Step by Step Solution
- Step 1: Write the proportion equation
49,711,904.13 : 68,604,556.11 = 27,685,403.49 : x - Step 2: Convert to fraction form
49,711,904.13/68,604,556.11 = 27,685,403.49/x - Step 3: Cross multiply
49,711,904.13x = 68,604,556.11 × 27,685,403.49 - Step 4: Simplify right side
49,711,904.13x = 1,899,344,817,157,694.75 - Step 5: Solve for x
x = 1,899,344,817,157,694.75/49,711,904.13 - Step 6: Final answer
x = 38,207,042.16
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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.