Finding the Fourth Proportional to 49,593,771.12, 68,434,705.80 and 27,564,654.72
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Solution
The fourth proportional to 49,593,771.12, 68,434,705.80 and 27,564,654.72 is: 38,036,612.13
Step by Step Solution
- Step 1: Write the proportion equation
49,593,771.12 : 68,434,705.80 = 27,564,654.72 : x - Step 2: Convert to fraction form
49,593,771.12/68,434,705.80 = 27,564,654.72/x - Step 3: Cross multiply
49,593,771.12x = 68,434,705.80 × 27,564,654.72 - Step 4: Simplify right side
49,593,771.12x = 1,886,379,036,241,781.25 - Step 5: Solve for x
x = 1,886,379,036,241,781.25/49,593,771.12 - Step 6: Final answer
x = 38,036,612.13
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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.