Finding the Fourth Proportional to 18,661,601.99, 27,988,203.95 and 6,694,337.99
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Solution
The fourth proportional to 18,661,601.99, 27,988,203.95 and 6,694,337.99 is: 10,040,000.70
Step by Step Solution
- Step 1: Write the proportion equation
18,661,601.99 : 27,988,203.95 = 6,694,337.99 : x - Step 2: Convert to fraction form
18,661,601.99/27,988,203.95 = 6,694,337.99/x - Step 3: Cross multiply
18,661,601.99x = 27,988,203.95 × 6,694,337.99 - Step 4: Simplify right side
18,661,601.99x = 187,362,497,010,851.88 - Step 5: Solve for x
x = 187,362,497,010,851.88/18,661,601.99 - Step 6: Final answer
x = 10,040,000.70
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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.