Finding the Fourth Proportional to 19,257,946.66, 26,560,470.06 and 16,929,861.42
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Solution
The fourth proportional to 19,257,946.66, 26,560,470.06 and 16,929,861.42 is: 23,349,585.77
Step by Step Solution
- Step 1: Write the proportion equation
19,257,946.66 : 26,560,470.06 = 16,929,861.42 : x - Step 2: Convert to fraction form
19,257,946.66/26,560,470.06 = 16,929,861.42/x - Step 3: Cross multiply
19,257,946.66x = 26,560,470.06 × 16,929,861.42 - Step 4: Simplify right side
19,257,946.66x = 449,665,077,365,859.12 - Step 5: Solve for x
x = 449,665,077,365,859.12/19,257,946.66 - Step 6: Final answer
x = 23,349,585.77
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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.