Finding the Fourth Proportional to 25,657,720.60, 35,394,230.44 and 15,865,034.44
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Solution
The fourth proportional to 25,657,720.60, 35,394,230.44 and 15,865,034.44 is: 21,885,447.02
Step by Step Solution
- Step 1: Write the proportion equation
25,657,720.60 : 35,394,230.44 = 15,865,034.44 : x - Step 2: Convert to fraction form
25,657,720.60/35,394,230.44 = 15,865,034.44/x - Step 3: Cross multiply
25,657,720.60x = 35,394,230.44 × 15,865,034.44 - Step 4: Simplify right side
25,657,720.60x = 561,530,684,907,896.31 - Step 5: Solve for x
x = 561,530,684,907,896.31/25,657,720.60 - Step 6: Final answer
x = 21,885,447.02
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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.