Finding the Fourth Proportional to 31,239,678.24, 46,892,643.12 and 27,668,628
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Solution
The fourth proportional to 31,239,678.24, 46,892,643.12 and 27,668,628 is: 41,532,281.11
Step by Step Solution
- Step 1: Write the proportion equation
31,239,678.24 : 46,892,643.12 = 27,668,628 : x - Step 2: Convert to fraction form
31,239,678.24/46,892,643.12 = 27,668,628/x - Step 3: Cross multiply
31,239,678.24x = 46,892,643.12 × 27,668,628 - Step 4: Simplify right side
31,239,678.24x = 1,297,455,098,424,039.25 - Step 5: Solve for x
x = 1,297,455,098,424,039.25/31,239,678.24 - Step 6: Final answer
x = 41,532,281.11
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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.