Finding the Fourth Proportional to 7,675,112.58, 11,512,509.30 and 2,557,913.28
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Solution
The fourth proportional to 7,675,112.58, 11,512,509.30 and 2,557,913.28 is: 3,836,816.74
Step by Step Solution
- Step 1: Write the proportion equation
7,675,112.58 : 11,512,509.30 = 2,557,913.28 : x - Step 2: Convert to fraction form
7,675,112.58/11,512,509.30 = 2,557,913.28/x - Step 3: Cross multiply
7,675,112.58x = 11,512,509.30 × 2,557,913.28 - Step 4: Simplify right side
7,675,112.58x = 29,448,000,424,593.50 - Step 5: Solve for x
x = 29,448,000,424,593.50/7,675,112.58 - Step 6: Final answer
x = 3,836,816.74
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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.