Finding the Fourth Proportional to 8,283,423.50, 12,425,985.43 and 3,170,154.61
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Solution
The fourth proportional to 8,283,423.50, 12,425,985.43 and 3,170,154.61 is: 4,755,557.29
Step by Step Solution
- Step 1: Write the proportion equation
8,283,423.50 : 12,425,985.43 = 3,170,154.61 : x - Step 2: Convert to fraction form
8,283,423.50/12,425,985.43 = 3,170,154.61/x - Step 3: Cross multiply
8,283,423.50x = 12,425,985.43 × 3,170,154.61 - Step 4: Simplify right side
8,283,423.50x = 39,392,294,955,716.98 - Step 5: Solve for x
x = 39,392,294,955,716.98/8,283,423.50 - Step 6: Final answer
x = 4,755,557.29
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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.