Finding the Fourth Proportional to 27,785,915.13, 41,678,964.18 and 7,036,341.88
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Solution
The fourth proportional to 27,785,915.13, 41,678,964.18 and 7,036,341.88 is: 10,554,535.98
Step by Step Solution
- Step 1: Write the proportion equation
27,785,915.13 : 41,678,964.18 = 7,036,341.88 : x - Step 2: Convert to fraction form
27,785,915.13/41,678,964.18 = 7,036,341.88/x - Step 3: Cross multiply
27,785,915.13x = 41,678,964.18 × 7,036,341.88 - Step 4: Simplify right side
27,785,915.13x = 293,267,440,966,359.06 - Step 5: Solve for x
x = 293,267,440,966,359.06/27,785,915.13 - Step 6: Final answer
x = 10,554,535.98
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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.