Finding the Fourth Proportional to 53,146,252.65, 79,719,380.10 and 12,756,736.65
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Solution
The fourth proportional to 53,146,252.65, 79,719,380.10 and 12,756,736.65 is: 19,135,105.25
Step by Step Solution
- Step 1: Write the proportion equation
53,146,252.65 : 79,719,380.10 = 12,756,736.65 : x - Step 2: Convert to fraction form
53,146,252.65/79,719,380.10 = 12,756,736.65/x - Step 3: Cross multiply
53,146,252.65x = 79,719,380.10 × 12,756,736.65 - Step 4: Simplify right side
53,146,252.65x = 1,016,959,137,836,950.62 - Step 5: Solve for x
x = 1,016,959,137,836,950.62/53,146,252.65 - Step 6: Final answer
x = 19,135,105.25
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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.