Finding the Fourth Proportional to 19,835,525.70, 27,373,710.69 and 11,015,125.38
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Solution
The fourth proportional to 19,835,525.70, 27,373,710.69 and 11,015,125.38 is: 15,201,253.55
Step by Step Solution
- Step 1: Write the proportion equation
19,835,525.70 : 27,373,710.69 = 11,015,125.38 : x - Step 2: Convert to fraction form
19,835,525.70/27,373,710.69 = 11,015,125.38/x - Step 3: Cross multiply
19,835,525.70x = 27,373,710.69 × 11,015,125.38 - Step 4: Simplify right side
19,835,525.70x = 301,524,855,366,196.38 - Step 5: Solve for x
x = 301,524,855,366,196.38/19,835,525.70 - Step 6: Final answer
x = 15,201,253.55
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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.