Finding the Fourth Proportional to 7,725,165.44, 10,660,231.68 and 4,287,408.80
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Solution
The fourth proportional to 7,725,165.44, 10,660,231.68 and 4,287,408.80 is: 5,916,348.52
Step by Step Solution
- Step 1: Write the proportion equation
7,725,165.44 : 10,660,231.68 = 4,287,408.80 : x - Step 2: Convert to fraction form
7,725,165.44/10,660,231.68 = 4,287,408.80/x - Step 3: Cross multiply
7,725,165.44x = 10,660,231.68 × 4,287,408.80 - Step 4: Simplify right side
7,725,165.44x = 45,704,771,114,870.78 - Step 5: Solve for x
x = 45,704,771,114,870.78/7,725,165.44 - Step 6: Final answer
x = 5,916,348.52
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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.