Finding the Fourth Proportional to 7,893,106.80, 11,838,324.84 and 2,212,023.60
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Solution
The fourth proportional to 7,893,106.80, 11,838,324.84 and 2,212,023.60 is: 3,317,661.17
Step by Step Solution
- Step 1: Write the proportion equation
7,893,106.80 : 11,838,324.84 = 2,212,023.60 : x - Step 2: Convert to fraction form
7,893,106.80/11,838,324.84 = 2,212,023.60/x - Step 3: Cross multiply
7,893,106.80x = 11,838,324.84 × 2,212,023.60 - Step 4: Simplify right side
7,893,106.80x = 26,186,653,930,546.23 - Step 5: Solve for x
x = 26,186,653,930,546.23/7,893,106.80 - Step 6: Final answer
x = 3,317,661.17
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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.