Finding the Fourth Proportional to 11,739,069.36, 16,193,052.36 and 7,381,256.40
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Solution
The fourth proportional to 11,739,069.36, 16,193,052.36 and 7,381,256.40 is: 10,181,818.31
Step by Step Solution
- Step 1: Write the proportion equation
11,739,069.36 : 16,193,052.36 = 7,381,256.40 : x - Step 2: Convert to fraction form
11,739,069.36/16,193,052.36 = 7,381,256.40/x - Step 3: Cross multiply
11,739,069.36x = 16,193,052.36 × 7,381,256.40 - Step 4: Simplify right side
11,739,069.36x = 119,525,071,367,785.11 - Step 5: Solve for x
x = 119,525,071,367,785.11/11,739,069.36 - Step 6: Final answer
x = 10,181,818.31
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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.