Finding the Fourth Proportional to 13,306,434.80, 19,959,652.20 and 8,267,586.80
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Solution
The fourth proportional to 13,306,434.80, 19,959,652.20 and 8,267,586.80 is: 12,401,380.20
Step by Step Solution
- Step 1: Write the proportion equation
13,306,434.80 : 19,959,652.20 = 8,267,586.80 : x - Step 2: Convert to fraction form
13,306,434.80/19,959,652.20 = 8,267,586.80/x - Step 3: Cross multiply
13,306,434.80x = 19,959,652.20 × 8,267,586.80 - Step 4: Simplify right side
13,306,434.80x = 165,018,157,061,310.94 - Step 5: Solve for x
x = 165,018,157,061,310.94/13,306,434.80 - Step 6: Final answer
x = 12,401,380.20
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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.