Finding the Fourth Proportional to 13,867,713.68, 20,797,508.18 and 5,225,579.08
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Solution
The fourth proportional to 13,867,713.68, 20,797,508.18 and 5,225,579.08 is: 7,836,837.86
Step by Step Solution
- Step 1: Write the proportion equation
13,867,713.68 : 20,797,508.18 = 5,225,579.08 : x - Step 2: Convert to fraction form
13,867,713.68/20,797,508.18 = 5,225,579.08/x - Step 3: Cross multiply
13,867,713.68x = 20,797,508.18 × 5,225,579.08 - Step 4: Simplify right side
13,867,713.68x = 108,679,023,661,536.88 - Step 5: Solve for x
x = 108,679,023,661,536.88/13,867,713.68 - Step 6: Final answer
x = 7,836,837.86
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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.