Finding the Fourth Proportional to 18,564,954.19, 25,618,354.25 and 10,304,366.63
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Solution
The fourth proportional to 18,564,954.19, 25,618,354.25 and 10,304,366.63 is: 14,219,314.08
Step by Step Solution
- Step 1: Write the proportion equation
18,564,954.19 : 25,618,354.25 = 10,304,366.63 : x - Step 2: Convert to fraction form
18,564,954.19/25,618,354.25 = 10,304,366.63/x - Step 3: Cross multiply
18,564,954.19x = 25,618,354.25 × 10,304,366.63 - Step 4: Simplify right side
18,564,954.19x = 263,980,914,469,605.09 - Step 5: Solve for x
x = 263,980,914,469,605.09/18,564,954.19 - Step 6: Final answer
x = 14,219,314.08
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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.