Finding the Fourth Proportional to 13,956,489.68, 20,935,734.41 and 3,721,295.85
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Solution
The fourth proportional to 13,956,489.68, 20,935,734.41 and 3,721,295.85 is: 5,582,210.38
Step by Step Solution
- Step 1: Write the proportion equation
13,956,489.68 : 20,935,734.41 = 3,721,295.85 : x - Step 2: Convert to fraction form
13,956,489.68/20,935,734.41 = 3,721,295.85/x - Step 3: Cross multiply
13,956,489.68x = 20,935,734.41 × 3,721,295.85 - Step 4: Simplify right side
13,956,489.68x = 77,908,061,576,635.20 - Step 5: Solve for x
x = 77,908,061,576,635.20/13,956,489.68 - Step 6: Final answer
x = 5,582,210.38
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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.