Finding the Fourth Proportional to 13,817,933.81, 20,744,861.75 and 10,625,301.99
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Solution
The fourth proportional to 13,817,933.81, 20,744,861.75 and 10,625,301.99 is: 15,951,764.13
Step by Step Solution
- Step 1: Write the proportion equation
13,817,933.81 : 20,744,861.75 = 10,625,301.99 : x - Step 2: Convert to fraction form
13,817,933.81/20,744,861.75 = 10,625,301.99/x - Step 3: Cross multiply
13,817,933.81x = 20,744,861.75 × 10,625,301.99 - Step 4: Simplify right side
13,817,933.81x = 220,420,420,781,423.38 - Step 5: Solve for x
x = 220,420,420,781,423.38/13,817,933.81 - Step 6: Final answer
x = 15,951,764.13
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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.