Finding the Fourth Proportional to 9,327,982.68, 13,993,854.84 and 3,936,638.88
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Solution
The fourth proportional to 9,327,982.68, 13,993,854.84 and 3,936,638.88 is: 5,905,752.07
Step by Step Solution
- Step 1: Write the proportion equation
9,327,982.68 : 13,993,854.84 = 3,936,638.88 : x - Step 2: Convert to fraction form
9,327,982.68/13,993,854.84 = 3,936,638.88/x - Step 3: Cross multiply
9,327,982.68x = 13,993,854.84 × 3,936,638.88 - Step 4: Simplify right side
9,327,982.68x = 55,088,753,044,220.18 - Step 5: Solve for x
x = 55,088,753,044,220.18/9,327,982.68 - Step 6: Final answer
x = 5,905,752.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.