Finding the Fourth Proportional to 49,711,921.92, 68,604,580.68 and 27,685,421.28
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Solution
The fourth proportional to 49,711,921.92, 68,604,580.68 and 27,685,421.28 is: 38,207,066.73
Step by Step Solution
- Step 1: Write the proportion equation
49,711,921.92 : 68,604,580.68 = 27,685,421.28 : x - Step 2: Convert to fraction form
49,711,921.92/68,604,580.68 = 27,685,421.28/x - Step 3: Cross multiply
49,711,921.92x = 68,604,580.68 × 27,685,421.28 - Step 4: Simplify right side
49,711,921.92x = 1,899,346,717,863,549.25 - Step 5: Solve for x
x = 1,899,346,717,863,549.25/49,711,921.92 - Step 6: Final answer
x = 38,207,066.73
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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.