Finding the Fourth Proportional to 12,755,876.45, 19,133,885.15 and 3,171,254.99
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Solution
The fourth proportional to 12,755,876.45, 19,133,885.15 and 3,171,254.99 is: 4,756,900.00
Step by Step Solution
- Step 1: Write the proportion equation
12,755,876.45 : 19,133,885.15 = 3,171,254.99 : x - Step 2: Convert to fraction form
12,755,876.45/19,133,885.15 = 3,171,254.99/x - Step 3: Cross multiply
12,755,876.45x = 19,133,885.15 × 3,171,254.99 - Step 4: Simplify right side
12,755,876.45x = 60,678,428,744,168.12 - Step 5: Solve for x
x = 60,678,428,744,168.12/12,755,876.45 - Step 6: Final answer
x = 4,756,900.00
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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.