Finding the Fourth Proportional to 9,384,551.20, 14,053,207.20 and 6,172,285.60
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Solution
The fourth proportional to 9,384,551.20, 14,053,207.20 and 6,172,285.60 is: 9,242,893.62
Step by Step Solution
- Step 1: Write the proportion equation
9,384,551.20 : 14,053,207.20 = 6,172,285.60 : x - Step 2: Convert to fraction form
9,384,551.20/14,053,207.20 = 6,172,285.60/x - Step 3: Cross multiply
9,384,551.20x = 14,053,207.20 × 6,172,285.60 - Step 4: Simplify right side
9,384,551.20x = 86,740,408,434,376.31 - Step 5: Solve for x
x = 86,740,408,434,376.31/9,384,551.20 - Step 6: Final answer
x = 9,242,893.62
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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.