Finding the Fourth Proportional to 11,064,921.47, 15,269,591.63 and 6,481,242.84
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Solution
The fourth proportional to 11,064,921.47, 15,269,591.63 and 6,481,242.84 is: 8,944,115.12
Step by Step Solution
- Step 1: Write the proportion equation
11,064,921.47 : 15,269,591.63 = 6,481,242.84 : x - Step 2: Convert to fraction form
11,064,921.47/15,269,591.63 = 6,481,242.84/x - Step 3: Cross multiply
11,064,921.47x = 15,269,591.63 × 6,481,242.84 - Step 4: Simplify right side
11,064,921.47x = 98,965,931,458,668.52 - Step 5: Solve for x
x = 98,965,931,458,668.52/11,064,921.47 - Step 6: Final answer
x = 8,944,115.12
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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.