Finding the Fourth Proportional to 14,322,829.20, 19,765,949.48 and 7,796,893.20
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Solution
The fourth proportional to 14,322,829.20, 19,765,949.48 and 7,796,893.20 is: 10,759,954.96
Step by Step Solution
- Step 1: Write the proportion equation
14,322,829.20 : 19,765,949.48 = 7,796,893.20 : x - Step 2: Convert to fraction form
14,322,829.20/19,765,949.48 = 7,796,893.20/x - Step 3: Cross multiply
14,322,829.20x = 19,765,949.48 × 7,796,893.20 - Step 4: Simplify right side
14,322,829.20x = 154,112,997,092,155.53 - Step 5: Solve for x
x = 154,112,997,092,155.53/14,322,829.20 - Step 6: Final answer
x = 10,759,954.96
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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.