Finding the Fourth Proportional to 11,396,296.80, 15,726,891.84 and 6,239,659.68
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Solution
The fourth proportional to 11,396,296.80, 15,726,891.84 and 6,239,659.68 is: 8,610,731.59
Step by Step Solution
- Step 1: Write the proportion equation
11,396,296.80 : 15,726,891.84 = 6,239,659.68 : x - Step 2: Convert to fraction form
11,396,296.80/15,726,891.84 = 6,239,659.68/x - Step 3: Cross multiply
11,396,296.80x = 15,726,891.84 × 6,239,659.68 - Step 4: Simplify right side
11,396,296.80x = 98,130,452,905,769 - Step 5: Solve for x
x = 98,130,452,905,769/11,396,296.80 - Step 6: Final answer
x = 8,610,731.59
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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.