Finding the Fourth Proportional to 11,222,985.26, 15,487,891.99 and 6,575,658.10
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Solution
The fourth proportional to 11,222,985.26, 15,487,891.99 and 6,575,658.10 is: 9,074,509.15
Step by Step Solution
- Step 1: Write the proportion equation
11,222,985.26 : 15,487,891.99 = 6,575,658.10 : x - Step 2: Convert to fraction form
11,222,985.26/15,487,891.99 = 6,575,658.10/x - Step 3: Cross multiply
11,222,985.26x = 15,487,891.99 × 6,575,658.10 - Step 4: Simplify right side
11,222,985.26x = 101,843,082,418,889.34 - Step 5: Solve for x
x = 101,843,082,418,889.34/11,222,985.26 - Step 6: Final answer
x = 9,074,509.15
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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.