Finding the Fourth Proportional to 11,652,865.92, 16,080,644.61 and 6,757,781.58
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Solution
The fourth proportional to 11,652,865.92, 16,080,644.61 and 6,757,781.58 is: 9,325,558.60
Step by Step Solution
- Step 1: Write the proportion equation
11,652,865.92 : 16,080,644.61 = 6,757,781.58 : x - Step 2: Convert to fraction form
11,652,865.92/16,080,644.61 = 6,757,781.58/x - Step 3: Cross multiply
11,652,865.92x = 16,080,644.61 × 6,757,781.58 - Step 4: Simplify right side
11,652,865.92x = 108,669,483,939,984.28 - Step 5: Solve for x
x = 108,669,483,939,984.28/11,652,865.92 - Step 6: Final answer
x = 9,325,558.60
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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.