Finding the Fourth Proportional to 7,378,631.28, 11,045,246.46 and 4,814,324.66
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Solution
The fourth proportional to 7,378,631.28, 11,045,246.46 and 4,814,324.66 is: 7,206,675.65
Step by Step Solution
- Step 1: Write the proportion equation
7,378,631.28 : 11,045,246.46 = 4,814,324.66 : x - Step 2: Convert to fraction form
7,378,631.28/11,045,246.46 = 4,814,324.66/x - Step 3: Cross multiply
7,378,631.28x = 11,045,246.46 × 4,814,324.66 - Step 4: Simplify right side
7,378,631.28x = 53,175,402,408,155.71 - Step 5: Solve for x
x = 53,175,402,408,155.71/7,378,631.28 - Step 6: Final answer
x = 7,206,675.65
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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.