Finding the Fourth Proportional to 14,722,860.79, 20,317,150.98 and 8,196,490.84
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Solution
The fourth proportional to 14,722,860.79, 20,317,150.98 and 8,196,490.84 is: 11,310,936.39
Step by Step Solution
- Step 1: Write the proportion equation
14,722,860.79 : 20,317,150.98 = 8,196,490.84 : x - Step 2: Convert to fraction form
14,722,860.79/20,317,150.98 = 8,196,490.84/x - Step 3: Cross multiply
14,722,860.79x = 20,317,150.98 × 8,196,490.84 - Step 4: Simplify right side
14,722,860.79x = 166,529,341,902,467.03 - Step 5: Solve for x
x = 166,529,341,902,467.03/14,722,860.79 - Step 6: Final answer
x = 11,310,936.39
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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.