Finding the Fourth Proportional to 11,444,959.47, 15,790,137.84 and 7,092,457.68
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Solution
The fourth proportional to 11,444,959.47, 15,790,137.84 and 7,092,457.68 is: 9,785,170.90
Step by Step Solution
- Step 1: Write the proportion equation
11,444,959.47 : 15,790,137.84 = 7,092,457.68 : x - Step 2: Convert to fraction form
11,444,959.47/15,790,137.84 = 7,092,457.68/x - Step 3: Cross multiply
11,444,959.47x = 15,790,137.84 × 7,092,457.68 - Step 4: Simplify right side
11,444,959.47x = 111,990,884,391,566.61 - Step 5: Solve for x
x = 111,990,884,391,566.61/11,444,959.47 - Step 6: Final answer
x = 9,785,170.90
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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.