Finding the Fourth Proportional to 11,854,997.14, 16,359,793.40 and 6,422,476.18
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Solution
The fourth proportional to 11,854,997.14, 16,359,793.40 and 6,422,476.18 is: 8,862,961.52
Step by Step Solution
- Step 1: Write the proportion equation
11,854,997.14 : 16,359,793.40 = 6,422,476.18 : x - Step 2: Convert to fraction form
11,854,997.14/16,359,793.40 = 6,422,476.18/x - Step 3: Cross multiply
11,854,997.14x = 16,359,793.40 × 6,422,476.18 - Step 4: Simplify right side
11,854,997.14x = 105,070,383,421,221.20 - Step 5: Solve for x
x = 105,070,383,421,221.20/11,854,997.14 - Step 6: Final answer
x = 8,862,961.52
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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.