Finding the Fourth Proportional to 25,277,072.64, 34,883,349.24 and 14,821,635.84
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Solution
The fourth proportional to 25,277,072.64, 34,883,349.24 and 14,821,635.84 is: 20,454,437.37
Step by Step Solution
- Step 1: Write the proportion equation
25,277,072.64 : 34,883,349.24 = 14,821,635.84 : x - Step 2: Convert to fraction form
25,277,072.64/34,883,349.24 = 14,821,635.84/x - Step 3: Cross multiply
25,277,072.64x = 34,883,349.24 × 14,821,635.84 - Step 4: Simplify right side
25,277,072.64x = 517,028,299,314,820.81 - Step 5: Solve for x
x = 517,028,299,314,820.81/25,277,072.64 - Step 6: Final answer
x = 20,454,437.37
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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.