Finding the Fourth Proportional to 11,532,649.08, 15,915,387.96 and 6,376,343.52
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Solution
The fourth proportional to 11,532,649.08, 15,915,387.96 and 6,376,343.52 is: 8,799,537.75
Step by Step Solution
- Step 1: Write the proportion equation
11,532,649.08 : 15,915,387.96 = 6,376,343.52 : x - Step 2: Convert to fraction form
11,532,649.08/15,915,387.96 = 6,376,343.52/x - Step 3: Cross multiply
11,532,649.08x = 15,915,387.96 × 6,376,343.52 - Step 4: Simplify right side
11,532,649.08x = 101,481,980,887,032.02 - Step 5: Solve for x
x = 101,481,980,887,032.02/11,532,649.08 - Step 6: Final answer
x = 8,799,537.75
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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.