Finding the Fourth Proportional to 7,146,723.29, 9,862,470.66 and 3,883,530.26
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Solution
The fourth proportional to 7,146,723.29, 9,862,470.66 and 3,883,530.26 is: 5,359,267.69
Step by Step Solution
- Step 1: Write the proportion equation
7,146,723.29 : 9,862,470.66 = 3,883,530.26 : x - Step 2: Convert to fraction form
7,146,723.29/9,862,470.66 = 3,883,530.26/x - Step 3: Cross multiply
7,146,723.29x = 9,862,470.66 × 3,883,530.26 - Step 4: Simplify right side
7,146,723.29x = 38,301,203,197,159.82 - Step 5: Solve for x
x = 38,301,203,197,159.82/7,146,723.29 - Step 6: Final answer
x = 5,359,267.69
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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.