Finding the Fourth Proportional to 11,874,681.44, 16,387,092.15 and 6,442,173.44
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Solution
The fourth proportional to 11,874,681.44, 16,387,092.15 and 6,442,173.44 is: 8,890,216.58
Step by Step Solution
- Step 1: Write the proportion equation
11,874,681.44 : 16,387,092.15 = 6,442,173.44 : x - Step 2: Convert to fraction form
11,874,681.44/16,387,092.15 = 6,442,173.44/x - Step 3: Cross multiply
11,874,681.44x = 16,387,092.15 × 6,442,173.44 - Step 4: Simplify right side
11,874,681.44x = 105,568,489,807,562.50 - Step 5: Solve for x
x = 105,568,489,807,562.50/11,874,681.44 - Step 6: Final answer
x = 8,890,216.58
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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.