Finding the Fourth Proportional to 11,810,905.44, 16,299,050.81 and 6,378,397.44
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Solution
The fourth proportional to 11,810,905.44, 16,299,050.81 and 6,378,397.44 is: 8,802,189.17
Step by Step Solution
- Step 1: Write the proportion equation
11,810,905.44 : 16,299,050.81 = 6,378,397.44 : x - Step 2: Convert to fraction form
11,810,905.44/16,299,050.81 = 6,378,397.44/x - Step 3: Cross multiply
11,810,905.44x = 16,299,050.81 × 6,378,397.44 - Step 4: Simplify right side
11,810,905.44x = 103,961,823,960,933.94 - Step 5: Solve for x
x = 103,961,823,960,933.94/11,810,905.44 - Step 6: Final answer
x = 8,802,189.17
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1.5x scale
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.