Finding the Fourth Proportional to 14,820,664.96, 20,456,362.56 and 8,385,869.44
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Solution
The fourth proportional to 14,820,664.96, 20,456,362.56 and 8,385,869.44 is: 11,574,675.37
Step by Step Solution
- Step 1: Write the proportion equation
14,820,664.96 : 20,456,362.56 = 8,385,869.44 : x - Step 2: Convert to fraction form
14,820,664.96/20,456,362.56 = 8,385,869.44/x - Step 3: Cross multiply
14,820,664.96x = 20,456,362.56 × 8,385,869.44 - Step 4: Simplify right side
14,820,664.96x = 171,544,385,645,464.16 - Step 5: Solve for x
x = 171,544,385,645,464.16/14,820,664.96 - Step 6: Final answer
x = 11,574,675.37
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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.