Finding the Fourth Proportional to 14,461,615.68, 19,957,021.92 and 7,935,288
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Solution
The fourth proportional to 14,461,615.68, 19,957,021.92 and 7,935,288 is: 10,950,693.20
Step by Step Solution
- Step 1: Write the proportion equation
14,461,615.68 : 19,957,021.92 = 7,935,288 : x - Step 2: Convert to fraction form
14,461,615.68/19,957,021.92 = 7,935,288/x - Step 3: Cross multiply
14,461,615.68x = 19,957,021.92 × 7,935,288 - Step 4: Simplify right side
14,461,615.68x = 158,364,716,557,512.97 - Step 5: Solve for x
x = 158,364,716,557,512.97/14,461,615.68 - Step 6: Final answer
x = 10,950,693.20
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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.