Finding the Fourth Proportional to 49,526,818.40, 68,347,009.14 and 27,796,786.40
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Solution
The fourth proportional to 49,526,818.40, 68,347,009.14 and 27,796,786.40 is: 38,359,565.09
Step by Step Solution
- Step 1: Write the proportion equation
49,526,818.40 : 68,347,009.14 = 27,796,786.40 : x - Step 2: Convert to fraction form
49,526,818.40/68,347,009.14 = 27,796,786.40/x - Step 3: Cross multiply
49,526,818.40x = 68,347,009.14 × 27,796,786.40 - Step 4: Simplify right side
49,526,818.40x = 1,899,827,214,143,427.50 - Step 5: Solve for x
x = 1,899,827,214,143,427.50/49,526,818.40 - Step 6: Final answer
x = 38,359,565.09
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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.