Finding the Fourth Proportional to 11,109,349.94, 15,330,179.14 and 6,213,722.90
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Solution
The fourth proportional to 11,109,349.94, 15,330,179.14 and 6,213,722.90 is: 8,574,532.77
Step by Step Solution
- Step 1: Write the proportion equation
11,109,349.94 : 15,330,179.14 = 6,213,722.90 : x - Step 2: Convert to fraction form
11,109,349.94/15,330,179.14 = 6,213,722.90/x - Step 3: Cross multiply
11,109,349.94x = 15,330,179.14 × 6,213,722.90 - Step 4: Simplify right side
11,109,349.94x = 95,257,485,091,135.09 - Step 5: Solve for x
x = 95,257,485,091,135.09/11,109,349.94 - Step 6: Final answer
x = 8,574,532.77
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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.