Finding the Fourth Proportional to 45,578,442.96, 68,345,736.12 and 15,265,106.64
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Solution
The fourth proportional to 45,578,442.96, 68,345,736.12 and 15,265,106.64 is: 22,890,315.74
Step by Step Solution
- Step 1: Write the proportion equation
45,578,442.96 : 68,345,736.12 = 15,265,106.64 : x - Step 2: Convert to fraction form
45,578,442.96/68,345,736.12 = 15,265,106.64/x - Step 3: Cross multiply
45,578,442.96x = 68,345,736.12 × 15,265,106.64 - Step 4: Simplify right side
45,578,442.96x = 1,043,304,950,261,100 - Step 5: Solve for x
x = 1,043,304,950,261,100/45,578,442.96 - Step 6: Final answer
x = 22,890,315.74
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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.