Finding the Fourth Proportional to 11,276,688.36, 16,915,032.54 and 2,756,923.68
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Solution
The fourth proportional to 11,276,688.36, 16,915,032.54 and 2,756,923.68 is: 4,135,385.52
Step by Step Solution
- Step 1: Write the proportion equation
11,276,688.36 : 16,915,032.54 = 2,756,923.68 : x - Step 2: Convert to fraction form
11,276,688.36/16,915,032.54 = 2,756,923.68/x - Step 3: Cross multiply
11,276,688.36x = 16,915,032.54 × 2,756,923.68 - Step 4: Simplify right side
11,276,688.36x = 46,633,453,757,496.55 - Step 5: Solve for x
x = 46,633,453,757,496.55/11,276,688.36 - Step 6: Final answer
x = 4,135,385.52
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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.