Finding the Fourth Proportional to 27,962,951.61, 38,590,070.45 and 15,573,044.99
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Solution
The fourth proportional to 27,962,951.61, 38,590,070.45 and 15,573,044.99 is: 21,491,468.83
Step by Step Solution
- Step 1: Write the proportion equation
27,962,951.61 : 38,590,070.45 = 15,573,044.99 : x - Step 2: Convert to fraction form
27,962,951.61/38,590,070.45 = 15,573,044.99/x - Step 3: Cross multiply
27,962,951.61x = 38,590,070.45 × 15,573,044.99 - Step 4: Simplify right side
27,962,951.61x = 600,964,903,014,304 - Step 5: Solve for x
x = 600,964,903,014,304/27,962,951.61 - Step 6: Final answer
x = 21,491,468.83
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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.