Finding the Fourth Proportional to 49,830,016.80, 74,766,020.40 and 27,127,207.20
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Solution
The fourth proportional to 49,830,016.80, 74,766,020.40 and 27,127,207.20 is: 40,702,240.48
Step by Step Solution
- Step 1: Write the proportion equation
49,830,016.80 : 74,766,020.40 = 27,127,207.20 : x - Step 2: Convert to fraction form
49,830,016.80/74,766,020.40 = 27,127,207.20/x - Step 3: Cross multiply
49,830,016.80x = 74,766,020.40 × 27,127,207.20 - Step 4: Simplify right side
49,830,016.80x = 2,028,193,326,910,227 - Step 5: Solve for x
x = 2,028,193,326,910,227/49,830,016.80 - Step 6: Final answer
x = 40,702,240.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.