Finding the Fourth Proportional to 11,357,272.80, 17,040,574.80 and 4,172,248.80
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Solution
The fourth proportional to 11,357,272.80, 17,040,574.80 and 4,172,248.80 is: 6,260,087.17
Step by Step Solution
- Step 1: Write the proportion equation
11,357,272.80 : 17,040,574.80 = 4,172,248.80 : x - Step 2: Convert to fraction form
11,357,272.80/17,040,574.80 = 4,172,248.80/x - Step 3: Cross multiply
11,357,272.80x = 17,040,574.80 × 4,172,248.80 - Step 4: Simplify right side
11,357,272.80x = 71,097,517,760,610.23 - Step 5: Solve for x
x = 71,097,517,760,610.23/11,357,272.80 - Step 6: Final answer
x = 6,260,087.17
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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.