Finding the Fourth Proportional to 13,102,469.69, 18,081,480.15 and 7,599,107.95
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Solution
The fourth proportional to 13,102,469.69, 18,081,480.15 and 7,599,107.95 is: 10,486,810.72
Step by Step Solution
- Step 1: Write the proportion equation
13,102,469.69 : 18,081,480.15 = 7,599,107.95 : x - Step 2: Convert to fraction form
13,102,469.69/18,081,480.15 = 7,599,107.95/x - Step 3: Cross multiply
13,102,469.69x = 18,081,480.15 × 7,599,107.95 - Step 4: Simplify right side
13,102,469.69x = 137,403,119,510,428.48 - Step 5: Solve for x
x = 137,403,119,510,428.48/13,102,469.69 - Step 6: Final answer
x = 10,486,810.72
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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.