Finding the Fourth Proportional to 69,895,606.12, 104,836,323.18 and 18,770,981.92
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Solution
The fourth proportional to 69,895,606.12, 104,836,323.18 and 18,770,981.92 is: 28,154,569.88
Step by Step Solution
- Step 1: Write the proportion equation
69,895,606.12 : 104,836,323.18 = 18,770,981.92 : x - Step 2: Convert to fraction form
69,895,606.12/104,836,323.18 = 18,770,981.92/x - Step 3: Cross multiply
69,895,606.12x = 104,836,323.18 × 18,770,981.92 - Step 4: Simplify right side
69,895,606.12x = 1,967,880,726,971,057.25 - Step 5: Solve for x
x = 1,967,880,726,971,057.25/69,895,606.12 - Step 6: Final answer
x = 28,154,569.88
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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.