Finding the Fourth Proportional to 13,306,629.80, 19,959,944.70 and 8,267,781.80
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Solution
The fourth proportional to 13,306,629.80, 19,959,944.70 and 8,267,781.80 is: 12,401,672.70
Step by Step Solution
- Step 1: Write the proportion equation
13,306,629.80 : 19,959,944.70 = 8,267,781.80 : x - Step 2: Convert to fraction form
13,306,629.80/19,959,944.70 = 8,267,781.80/x - Step 3: Cross multiply
13,306,629.80x = 19,959,944.70 × 8,267,781.80 - Step 4: Simplify right side
13,306,629.80x = 165,024,467,519,666.44 - Step 5: Solve for x
x = 165,024,467,519,666.44/13,306,629.80 - Step 6: Final answer
x = 12,401,672.70
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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.