Finding the Fourth Proportional to 19,153,842.80, 26,432,863.92 and 10,452,576.08
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Solution
The fourth proportional to 19,153,842.80, 26,432,863.92 and 10,452,576.08 is: 14,424,861.06
Step by Step Solution
- Step 1: Write the proportion equation
19,153,842.80 : 26,432,863.92 = 10,452,576.08 : x - Step 2: Convert to fraction form
19,153,842.80/26,432,863.92 = 10,452,576.08/x - Step 3: Cross multiply
19,153,842.80x = 26,432,863.92 × 10,452,576.08 - Step 4: Simplify right side
19,153,842.80x = 276,291,521,136,087.06 - Step 5: Solve for x
x = 276,291,521,136,087.06/19,153,842.80 - Step 6: Final answer
x = 14,424,861.06
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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.