Finding the Fourth Proportional to 11,837,774.14, 16,331,611.75 and 7,189,805.92
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Solution
The fourth proportional to 11,837,774.14, 16,331,611.75 and 7,189,805.92 is: 9,919,188.98
Step by Step Solution
- Step 1: Write the proportion equation
11,837,774.14 : 16,331,611.75 = 7,189,805.92 : x - Step 2: Convert to fraction form
11,837,774.14/16,331,611.75 = 7,189,805.92/x - Step 3: Cross multiply
11,837,774.14x = 16,331,611.75 × 7,189,805.92 - Step 4: Simplify right side
11,837,774.14x = 117,421,118,855,552.44 - Step 5: Solve for x
x = 117,421,118,855,552.44/11,837,774.14 - Step 6: Final answer
x = 9,919,188.98
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1.5x scale
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.