Finding the Fourth Proportional to 13,531,303.28, 18,655,134.60 and 10,749,655.96
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Solution
The fourth proportional to 13,531,303.28, 18,655,134.60 and 10,749,655.96 is: 14,820,174.72
Step by Step Solution
- Step 1: Write the proportion equation
13,531,303.28 : 18,655,134.60 = 10,749,655.96 : x - Step 2: Convert to fraction form
13,531,303.28/18,655,134.60 = 10,749,655.96/x - Step 3: Cross multiply
13,531,303.28x = 18,655,134.60 × 10,749,655.96 - Step 4: Simplify right side
13,531,303.28x = 200,536,278,837,492.25 - Step 5: Solve for x
x = 200,536,278,837,492.25/13,531,303.28 - Step 6: Final answer
x = 14,820,174.72
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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.