Finding the Fourth Proportional to 8,357,257.74, 11,533,495.92 and 4,687,351.44
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Solution
The fourth proportional to 8,357,257.74, 11,533,495.92 and 4,687,351.44 is: 6,468,814.34
Step by Step Solution
- Step 1: Write the proportion equation
8,357,257.74 : 11,533,495.92 = 4,687,351.44 : x - Step 2: Convert to fraction form
8,357,257.74/11,533,495.92 = 4,687,351.44/x - Step 3: Cross multiply
8,357,257.74x = 11,533,495.92 × 4,687,351.44 - Step 4: Simplify right side
8,357,257.74x = 54,061,548,708,846.13 - Step 5: Solve for x
x = 54,061,548,708,846.13/8,357,257.74 - Step 6: Final answer
x = 6,468,814.34
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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.