Finding the Fourth Proportional to 30,746,690.76, 46,121,938.02 and 10,278,252.12
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Solution
The fourth proportional to 30,746,690.76, 46,121,938.02 and 10,278,252.12 is: 15,418,013.96
Step by Step Solution
- Step 1: Write the proportion equation
30,746,690.76 : 46,121,938.02 = 10,278,252.12 : x - Step 2: Convert to fraction form
30,746,690.76/46,121,938.02 = 10,278,252.12/x - Step 3: Cross multiply
30,746,690.76x = 46,121,938.02 × 10,278,252.12 - Step 4: Simplify right side
30,746,690.76x = 474,052,907,232,573.62 - Step 5: Solve for x
x = 474,052,907,232,573.62/30,746,690.76 - Step 6: Final answer
x = 15,418,013.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.