Finding the Fourth Proportional to 29,307,900.11, 40,418,436.15 and 18,295,671.65
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Solution
The fourth proportional to 29,307,900.11, 40,418,436.15 and 18,295,671.65 is: 25,231,505.28
Step by Step Solution
- Step 1: Write the proportion equation
29,307,900.11 : 40,418,436.15 = 18,295,671.65 : x - Step 2: Convert to fraction form
29,307,900.11/40,418,436.15 = 18,295,671.65/x - Step 3: Cross multiply
29,307,900.11x = 40,418,436.15 × 18,295,671.65 - Step 4: Simplify right side
29,307,900.11x = 739,482,436,204,797.88 - Step 5: Solve for x
x = 739,482,436,204,797.88/29,307,900.11 - Step 6: Final answer
x = 25,231,505.28
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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.