Finding the Fourth Proportional to 8,253,441.36, 12,378,389.36 and 5,177,950.74
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Solution
The fourth proportional to 8,253,441.36, 12,378,389.36 and 5,177,950.74 is: 7,765,813.98
Step by Step Solution
- Step 1: Write the proportion equation
8,253,441.36 : 12,378,389.36 = 5,177,950.74 : x - Step 2: Convert to fraction form
8,253,441.36/12,378,389.36 = 5,177,950.74/x - Step 3: Cross multiply
8,253,441.36x = 12,378,389.36 × 5,177,950.74 - Step 4: Simplify right side
8,253,441.36x = 64,094,690,320,730.38 - Step 5: Solve for x
x = 64,094,690,320,730.38/8,253,441.36 - Step 6: Final answer
x = 7,765,813.98
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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.