Finding the Fourth Proportional to 9,783,623.70, 14,675,435.55 and 7,544,135.70
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Solution
The fourth proportional to 9,783,623.70, 14,675,435.55 and 7,544,135.70 is: 11,316,203.55
Step by Step Solution
- Step 1: Write the proportion equation
9,783,623.70 : 14,675,435.55 = 7,544,135.70 : x - Step 2: Convert to fraction form
9,783,623.70/14,675,435.55 = 7,544,135.70/x - Step 3: Cross multiply
9,783,623.70x = 14,675,435.55 × 7,544,135.70 - Step 4: Simplify right side
9,783,623.70x = 110,713,477,245,804.14 - Step 5: Solve for x
x = 110,713,477,245,804.14/9,783,623.70 - Step 6: Final answer
x = 11,316,203.55
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Similar ratio
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1.5x scale
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.