Finding the Fourth Proportional to 12,874,246.40, 19,313,961.60 and 3,776,326.40
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Solution
The fourth proportional to 12,874,246.40, 19,313,961.60 and 3,776,326.40 is: 5,665,249.90
Step by Step Solution
- Step 1: Write the proportion equation
12,874,246.40 : 19,313,961.60 = 3,776,326.40 : x - Step 2: Convert to fraction form
12,874,246.40/19,313,961.60 = 3,776,326.40/x - Step 3: Cross multiply
12,874,246.40x = 19,313,961.60 × 3,776,326.40 - Step 4: Simplify right side
12,874,246.40x = 72,935,823,078,666.25 - Step 5: Solve for x
x = 72,935,823,078,666.25/12,874,246.40 - Step 6: Final answer
x = 5,665,249.90
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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.