Finding the Fourth Proportional to 49,243,379.96, 67,959,382.74 and 27,216,405.20
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Solution
The fourth proportional to 49,243,379.96, 67,959,382.74 and 27,216,405.20 is: 37,560,583.76
Step by Step Solution
- Step 1: Write the proportion equation
49,243,379.96 : 67,959,382.74 = 27,216,405.20 : x - Step 2: Convert to fraction form
49,243,379.96/67,959,382.74 = 27,216,405.20/x - Step 3: Cross multiply
49,243,379.96x = 67,959,382.74 × 27,216,405.20 - Step 4: Simplify right side
49,243,379.96x = 1,849,610,097,793,726 - Step 5: Solve for x
x = 1,849,610,097,793,726/49,243,379.96 - Step 6: Final answer
x = 37,560,583.76
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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.