Finding the Fourth Proportional to 12,236,465.76, 18,338,164.39 and 4,659,298.08
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Solution
The fourth proportional to 12,236,465.76, 18,338,164.39 and 4,659,298.08 is: 6,982,651.35
Step by Step Solution
- Step 1: Write the proportion equation
12,236,465.76 : 18,338,164.39 = 4,659,298.08 : x - Step 2: Convert to fraction form
12,236,465.76/18,338,164.39 = 4,659,298.08/x - Step 3: Cross multiply
12,236,465.76x = 18,338,164.39 × 4,659,298.08 - Step 4: Simplify right side
12,236,465.76x = 85,442,974,133,051.38 - Step 5: Solve for x
x = 85,442,974,133,051.38/12,236,465.76 - Step 6: Final answer
x = 6,982,651.35
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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.