Finding the Fourth Proportional to 10,267,889.40, 14,165,238.36 and 6,191,243.64
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Solution
The fourth proportional to 10,267,889.40, 14,165,238.36 and 6,191,243.64 is: 8,541,233.60
Step by Step Solution
- Step 1: Write the proportion equation
10,267,889.40 : 14,165,238.36 = 6,191,243.64 : x - Step 2: Convert to fraction form
10,267,889.40/14,165,238.36 = 6,191,243.64/x - Step 3: Cross multiply
10,267,889.40x = 14,165,238.36 × 6,191,243.64 - Step 4: Simplify right side
10,267,889.40x = 87,700,441,905,434.02 - Step 5: Solve for x
x = 87,700,441,905,434.02/10,267,889.40 - Step 6: Final answer
x = 8,541,233.60
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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.