Finding the Fourth Proportional to 11,738,856.56, 16,199,607.15 and 6,512,657.58
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Solution
The fourth proportional to 11,738,856.56, 16,199,607.15 and 6,512,657.58 is: 8,987,459.20
Step by Step Solution
- Step 1: Write the proportion equation
11,738,856.56 : 16,199,607.15 = 6,512,657.58 : x - Step 2: Convert to fraction form
11,738,856.56/16,199,607.15 = 6,512,657.58/x - Step 3: Cross multiply
11,738,856.56x = 16,199,607.15 × 6,512,657.58 - Step 4: Simplify right side
11,738,856.56x = 105,502,494,298,469.70 - Step 5: Solve for x
x = 105,502,494,298,469.70/11,738,856.56 - Step 6: Final answer
x = 8,987,459.20
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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.