Finding the Fourth Proportional to 25,492,202.70, 35,178,795.15 and 13,889,862.06
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Solution
The fourth proportional to 25,492,202.70, 35,178,795.15 and 13,889,862.06 is: 19,167,767.41
Step by Step Solution
- Step 1: Write the proportion equation
25,492,202.70 : 35,178,795.15 = 13,889,862.06 : x - Step 2: Convert to fraction form
25,492,202.70/35,178,795.15 = 13,889,862.06/x - Step 3: Cross multiply
25,492,202.70x = 35,178,795.15 × 13,889,862.06 - Step 4: Simplify right side
25,492,202.70x = 488,628,612,070,497 - Step 5: Solve for x
x = 488,628,612,070,497/25,492,202.70 - Step 6: Final answer
x = 19,167,767.41
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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.