Finding the Fourth Proportional to 14,395,546.51, 19,865,855.67 and 7,869,202.56
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Solution
The fourth proportional to 14,395,546.51, 19,865,855.67 and 7,869,202.56 is: 10,859,500.35
Step by Step Solution
- Step 1: Write the proportion equation
14,395,546.51 : 19,865,855.67 = 7,869,202.56 : x - Step 2: Convert to fraction form
14,395,546.51/19,865,855.67 = 7,869,202.56/x - Step 3: Cross multiply
14,395,546.51x = 19,865,855.67 × 7,869,202.56 - Step 4: Simplify right side
14,395,546.51x = 156,328,442,294,954.53 - Step 5: Solve for x
x = 156,328,442,294,954.53/14,395,546.51 - Step 6: Final answer
x = 10,859,500.35
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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.