Finding the Fourth Proportional to 9,528,358.36, 13,149,105.84 and 5,177,457.94
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Solution
The fourth proportional to 9,528,358.36, 13,149,105.84 and 5,177,457.94 is: 7,144,876.36
Step by Step Solution
- Step 1: Write the proportion equation
9,528,358.36 : 13,149,105.84 = 5,177,457.94 : x - Step 2: Convert to fraction form
9,528,358.36/13,149,105.84 = 5,177,457.94/x - Step 3: Cross multiply
9,528,358.36x = 13,149,105.84 × 5,177,457.94 - Step 4: Simplify right side
9,528,358.36x = 68,078,942,435,208.38 - Step 5: Solve for x
x = 68,078,942,435,208.38/9,528,358.36 - Step 6: Final answer
x = 7,144,876.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.