Finding the Fourth Proportional to 14,965,344.05, 20,655,480.87 and 9,729,238.68
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Solution
The fourth proportional to 14,965,344.05, 20,655,480.87 and 9,729,238.68 is: 13,428,498.73
Step by Step Solution
- Step 1: Write the proportion equation
14,965,344.05 : 20,655,480.87 = 9,729,238.68 : x - Step 2: Convert to fraction form
14,965,344.05/20,655,480.87 = 9,729,238.68/x - Step 3: Cross multiply
14,965,344.05x = 20,655,480.87 × 9,729,238.68 - Step 4: Simplify right side
14,965,344.05x = 200,962,103,434,404.06 - Step 5: Solve for x
x = 200,962,103,434,404.06/14,965,344.05 - Step 6: Final answer
x = 13,428,498.73
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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.