Finding the Fourth Proportional to 22,524,315.39, 31,085,871.99 and 13,704,392.82
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Solution
The fourth proportional to 22,524,315.39, 31,085,871.99 and 13,704,392.82 is: 18,913,471.67
Step by Step Solution
- Step 1: Write the proportion equation
22,524,315.39 : 31,085,871.99 = 13,704,392.82 : x - Step 2: Convert to fraction form
22,524,315.39/31,085,871.99 = 13,704,392.82/x - Step 3: Cross multiply
22,524,315.39x = 31,085,871.99 × 13,704,392.82 - Step 4: Simplify right side
22,524,315.39x = 426,013,000,903,195.12 - Step 5: Solve for x
x = 426,013,000,903,195.12/22,524,315.39 - Step 6: Final answer
x = 18,913,471.67
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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.