Finding the Fourth Proportional to 9,576,071.70, 14,364,107.55 and 7,686,503.70
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Solution
The fourth proportional to 9,576,071.70, 14,364,107.55 and 7,686,503.70 is: 11,529,755.55
Step by Step Solution
- Step 1: Write the proportion equation
9,576,071.70 : 14,364,107.55 = 7,686,503.70 : x - Step 2: Convert to fraction form
9,576,071.70/14,364,107.55 = 7,686,503.70/x - Step 3: Cross multiply
9,576,071.70x = 14,364,107.55 × 7,686,503.70 - Step 4: Simplify right side
9,576,071.70x = 110,409,765,830,272.94 - Step 5: Solve for x
x = 110,409,765,830,272.94/9,576,071.70 - Step 6: Final answer
x = 11,529,755.55
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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.