Finding the Fourth Proportional to 16,239,347.98, 22,410,299.57 and 8,897,459.28
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Solution
The fourth proportional to 16,239,347.98, 22,410,299.57 and 8,897,459.28 is: 12,278,493.45
Step by Step Solution
- Step 1: Write the proportion equation
16,239,347.98 : 22,410,299.57 = 8,897,459.28 : x - Step 2: Convert to fraction form
16,239,347.98/22,410,299.57 = 8,897,459.28/x - Step 3: Cross multiply
16,239,347.98x = 22,410,299.57 × 8,897,459.28 - Step 4: Simplify right side
16,239,347.98x = 199,394,727,748,150.59 - Step 5: Solve for x
x = 199,394,727,748,150.59/16,239,347.98 - Step 6: Final answer
x = 12,278,493.45
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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.