Finding the Fourth Proportional to 25,563,774.95, 35,278,879.98 and 15,118,744.97
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Solution
The fourth proportional to 25,563,774.95, 35,278,879.98 and 15,118,744.97 is: 20,864,382.91
Step by Step Solution
- Step 1: Write the proportion equation
25,563,774.95 : 35,278,879.98 = 15,118,744.97 : x - Step 2: Convert to fraction form
25,563,774.95/35,278,879.98 = 15,118,744.97/x - Step 3: Cross multiply
25,563,774.95x = 35,278,879.98 × 15,118,744.97 - Step 4: Simplify right side
25,563,774.95x = 533,372,389,244,858.69 - Step 5: Solve for x
x = 533,372,389,244,858.69/25,563,774.95 - Step 6: Final answer
x = 20,864,382.91
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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.