Finding the Fourth Proportional to 31,005,230.58, 46,476,581.94 and 19,498,920.84
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Solution
The fourth proportional to 31,005,230.58, 46,476,581.94 and 19,498,920.84 is: 29,228,719.65
Step by Step Solution
- Step 1: Write the proportion equation
31,005,230.58 : 46,476,581.94 = 19,498,920.84 : x - Step 2: Convert to fraction form
31,005,230.58/46,476,581.94 = 19,498,920.84/x - Step 3: Cross multiply
31,005,230.58x = 46,476,581.94 × 19,498,920.84 - Step 4: Simplify right side
31,005,230.58x = 906,243,192,161,833.62 - Step 5: Solve for x
x = 906,243,192,161,833.62/31,005,230.58 - Step 6: Final answer
x = 29,228,719.65
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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.