Finding the Fourth Proportional to 12,805,287.36, 19,207,963.86 and 5,232,253.08
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Solution
The fourth proportional to 12,805,287.36, 19,207,963.86 and 5,232,253.08 is: 7,848,393.03
Step by Step Solution
- Step 1: Write the proportion equation
12,805,287.36 : 19,207,963.86 = 5,232,253.08 : x - Step 2: Convert to fraction form
12,805,287.36/19,207,963.86 = 5,232,253.08/x - Step 3: Cross multiply
12,805,287.36x = 19,207,963.86 × 5,232,253.08 - Step 4: Simplify right side
12,805,287.36x = 100,500,928,067,013.69 - Step 5: Solve for x
x = 100,500,928,067,013.69/12,805,287.36 - Step 6: Final answer
x = 7,848,393.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.