Finding the Fourth Proportional to 7,858,821.51, 10,841,203.89 and 4,593,502.94
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Solution
The fourth proportional to 7,858,821.51, 10,841,203.89 and 4,593,502.94 is: 6,336,713.69
Step by Step Solution
- Step 1: Write the proportion equation
7,858,821.51 : 10,841,203.89 = 4,593,502.94 : x - Step 2: Convert to fraction form
7,858,821.51/10,841,203.89 = 4,593,502.94/x - Step 3: Cross multiply
7,858,821.51x = 10,841,203.89 × 4,593,502.94 - Step 4: Simplify right side
7,858,821.51x = 49,799,101,887,648.41 - Step 5: Solve for x
x = 49,799,101,887,648.41/7,858,821.51 - Step 6: Final answer
x = 6,336,713.69
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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.