Finding the Fourth Proportional to 36,984,162.12, 51,042,454.74 and 21,514,898.76
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Solution
The fourth proportional to 36,984,162.12, 51,042,454.74 and 21,514,898.76 is: 29,693,068.15
Step by Step Solution
- Step 1: Write the proportion equation
36,984,162.12 : 51,042,454.74 = 21,514,898.76 : x - Step 2: Convert to fraction form
36,984,162.12/51,042,454.74 = 21,514,898.76/x - Step 3: Cross multiply
36,984,162.12x = 51,042,454.74 × 21,514,898.76 - Step 4: Simplify right side
36,984,162.12x = 1,098,173,246,192,982.25 - Step 5: Solve for x
x = 1,098,173,246,192,982.25/36,984,162.12 - Step 6: Final answer
x = 29,693,068.15
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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.