Finding the Fourth Proportional to 10,273,851.06, 15,412,985.14 and 2,987,437.42
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Solution
The fourth proportional to 10,273,851.06, 15,412,985.14 and 2,987,437.42 is: 4,481,798.33
Step by Step Solution
- Step 1: Write the proportion equation
10,273,851.06 : 15,412,985.14 = 2,987,437.42 : x - Step 2: Convert to fraction form
10,273,851.06/15,412,985.14 = 2,987,437.42/x - Step 3: Cross multiply
10,273,851.06x = 15,412,985.14 × 2,987,437.42 - Step 4: Simplify right side
10,273,851.06x = 46,045,328,561,139.94 - Step 5: Solve for x
x = 46,045,328,561,139.94/10,273,851.06 - Step 6: Final answer
x = 4,481,798.33
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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.