Finding the Fourth Proportional to 25,418,713.21, 35,078,059.07 and 13,816,303.99
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Solution
The fourth proportional to 25,418,713.21, 35,078,059.07 and 13,816,303.99 is: 19,066,627.15
Step by Step Solution
- Step 1: Write the proportion equation
25,418,713.21 : 35,078,059.07 = 13,816,303.99 : x - Step 2: Convert to fraction form
25,418,713.21/35,078,059.07 = 13,816,303.99/x - Step 3: Cross multiply
25,418,713.21x = 35,078,059.07 × 13,816,303.99 - Step 4: Simplify right side
25,418,713.21x = 484,649,127,490,296.69 - Step 5: Solve for x
x = 484,649,127,490,296.69/25,418,713.21 - Step 6: Final answer
x = 19,066,627.15
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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.