Finding the Fourth Proportional to 13,295,114.70, 19,942,672.05 and 8,508,209.10
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Solution
The fourth proportional to 13,295,114.70, 19,942,672.05 and 8,508,209.10 is: 12,762,313.65
Step by Step Solution
- Step 1: Write the proportion equation
13,295,114.70 : 19,942,672.05 = 8,508,209.10 : x - Step 2: Convert to fraction form
13,295,114.70/19,942,672.05 = 8,508,209.10/x - Step 3: Cross multiply
13,295,114.70x = 19,942,672.05 × 8,508,209.10 - Step 4: Simplify right side
13,295,114.70x = 169,676,423,814,125.66 - Step 5: Solve for x
x = 169,676,423,814,125.66/13,295,114.70 - Step 6: Final answer
x = 12,762,313.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.