Finding the Fourth Proportional to 11,638,343.20, 16,060,282.14 and 6,410,334.28
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Solution
The fourth proportional to 11,638,343.20, 16,060,282.14 and 6,410,334.28 is: 8,845,913.49
Step by Step Solution
- Step 1: Write the proportion equation
11,638,343.20 : 16,060,282.14 = 6,410,334.28 : x - Step 2: Convert to fraction form
11,638,343.20/16,060,282.14 = 6,410,334.28/x - Step 3: Cross multiply
11,638,343.20x = 16,060,282.14 × 6,410,334.28 - Step 4: Simplify right side
11,638,343.20x = 102,951,777,148,513.77 - Step 5: Solve for x
x = 102,951,777,148,513.77/11,638,343.20 - Step 6: Final answer
x = 8,845,913.49
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1.5x scale
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.