Finding the Fourth Proportional to 7,854,246.18, 11,777,624.64 and 2,736,046.53
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Solution
The fourth proportional to 7,854,246.18, 11,777,624.64 and 2,736,046.53 is: 4,102,765.34
Step by Step Solution
- Step 1: Write the proportion equation
7,854,246.18 : 11,777,624.64 = 2,736,046.53 : x - Step 2: Convert to fraction form
7,854,246.18/11,777,624.64 = 2,736,046.53/x - Step 3: Cross multiply
7,854,246.18x = 11,777,624.64 × 2,736,046.53 - Step 4: Simplify right side
7,854,246.18x = 32,224,129,027,914.50 - Step 5: Solve for x
x = 32,224,129,027,914.50/7,854,246.18 - Step 6: Final answer
x = 4,102,765.34
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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.