Finding the Fourth Proportional to 25,563,784.96, 35,278,893.78 and 15,118,754.97
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Solution
The fourth proportional to 25,563,784.96, 35,278,893.78 and 15,118,754.97 is: 20,864,396.70
Step by Step Solution
- Step 1: Write the proportion equation
25,563,784.96 : 35,278,893.78 = 15,118,754.97 : x - Step 2: Convert to fraction form
25,563,784.96/35,278,893.78 = 15,118,754.97/x - Step 3: Cross multiply
25,563,784.96x = 35,278,893.78 × 15,118,754.97 - Step 4: Simplify right side
25,563,784.96x = 533,372,950,672,477.12 - Step 5: Solve for x
x = 533,372,950,672,477.12/25,563,784.96 - Step 6: Final answer
x = 20,864,396.70
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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.