Finding the Fourth Proportional to 11,248,043.74, 15,522,223.08 and 6,091,287.28
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Solution
The fourth proportional to 11,248,043.74, 15,522,223.08 and 6,091,287.28 is: 8,405,934.60
Step by Step Solution
- Step 1: Write the proportion equation
11,248,043.74 : 15,522,223.08 = 6,091,287.28 : x - Step 2: Convert to fraction form
11,248,043.74/15,522,223.08 = 6,091,287.28/x - Step 3: Cross multiply
11,248,043.74x = 15,522,223.08 × 6,091,287.28 - Step 4: Simplify right side
11,248,043.74x = 94,550,320,004,526.42 - Step 5: Solve for x
x = 94,550,320,004,526.42/11,248,043.74 - Step 6: Final answer
x = 8,405,934.60
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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.