Finding the Fourth Proportional to 13,531,305.70, 18,655,138.02 and 10,749,658.33
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Solution
The fourth proportional to 13,531,305.70, 18,655,138.02 and 10,749,658.33 is: 14,820,178.06
Step by Step Solution
- Step 1: Write the proportion equation
13,531,305.70 : 18,655,138.02 = 10,749,658.33 : x - Step 2: Convert to fraction form
13,531,305.70/18,655,138.02 = 10,749,658.33/x - Step 3: Cross multiply
13,531,305.70x = 18,655,138.02 × 10,749,658.33 - Step 4: Simplify right side
13,531,305.70x = 200,536,359,813,992.72 - Step 5: Solve for x
x = 200,536,359,813,992.72/13,531,305.70 - Step 6: Final answer
x = 14,820,178.06
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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.