Finding the Fourth Proportional to 22,690,436.99, 31,313,002.91 and 12,377,205.95
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Solution
The fourth proportional to 22,690,436.99, 31,313,002.91 and 12,377,205.95 is: 17,080,653.23
Step by Step Solution
- Step 1: Write the proportion equation
22,690,436.99 : 31,313,002.91 = 12,377,205.95 : x - Step 2: Convert to fraction form
22,690,436.99/31,313,002.91 = 12,377,205.95/x - Step 3: Cross multiply
22,690,436.99x = 31,313,002.91 × 12,377,205.95 - Step 4: Simplify right side
22,690,436.99x = 387,567,485,711,568.31 - Step 5: Solve for x
x = 387,567,485,711,568.31/22,690,436.99 - Step 6: Final answer
x = 17,080,653.23
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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.