Finding the Fourth Proportional to 11,416,878.69, 17,129,124.95 and 7,593,773.06
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Solution
The fourth proportional to 11,416,878.69, 17,129,124.95 and 7,593,773.06 is: 11,393,191.70
Step by Step Solution
- Step 1: Write the proportion equation
11,416,878.69 : 17,129,124.95 = 7,593,773.06 : x - Step 2: Convert to fraction form
11,416,878.69/17,129,124.95 = 7,593,773.06/x - Step 3: Cross multiply
11,416,878.69x = 17,129,124.95 × 7,593,773.06 - Step 4: Simplify right side
11,416,878.69x = 130,074,687,543,861.03 - Step 5: Solve for x
x = 130,074,687,543,861.03/11,416,878.69 - Step 6: Final answer
x = 11,393,191.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.