Finding the Fourth Proportional to 11,509,782.98, 15,883,502.09 and 6,353,145.62
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Solution
The fourth proportional to 11,509,782.98, 15,883,502.09 and 6,353,145.62 is: 8,767,341.83
Step by Step Solution
- Step 1: Write the proportion equation
11,509,782.98 : 15,883,502.09 = 6,353,145.62 : x - Step 2: Convert to fraction form
11,509,782.98/15,883,502.09 = 6,353,145.62/x - Step 3: Cross multiply
11,509,782.98x = 15,883,502.09 × 6,353,145.62 - Step 4: Simplify right side
11,509,782.98x = 100,910,201,733,344.34 - Step 5: Solve for x
x = 100,910,201,733,344.34/11,509,782.98 - Step 6: Final answer
x = 8,767,341.83
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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.