Finding the Fourth Proportional to 11,823,759.36, 16,316,780.56 and 6,391,251.36
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Solution
The fourth proportional to 11,823,759.36, 16,316,780.56 and 6,391,251.36 is: 8,819,922.90
Step by Step Solution
- Step 1: Write the proportion equation
11,823,759.36 : 16,316,780.56 = 6,391,251.36 : x - Step 2: Convert to fraction form
11,823,759.36/16,316,780.56 = 6,391,251.36/x - Step 3: Cross multiply
11,823,759.36x = 16,316,780.56 × 6,391,251.36 - Step 4: Simplify right side
11,823,759.36x = 104,284,645,944,921.58 - Step 5: Solve for x
x = 104,284,645,944,921.58/11,823,759.36 - Step 6: Final answer
x = 8,819,922.90
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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.