Finding the Fourth Proportional to 49,374,936.80, 74,062,405.20 and 17,462,232.80
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Solution
The fourth proportional to 49,374,936.80, 74,062,405.20 and 17,462,232.80 is: 26,193,349.20
Step by Step Solution
- Step 1: Write the proportion equation
49,374,936.80 : 74,062,405.20 = 17,462,232.80 : x - Step 2: Convert to fraction form
49,374,936.80/74,062,405.20 = 17,462,232.80/x - Step 3: Cross multiply
49,374,936.80x = 74,062,405.20 × 17,462,232.80 - Step 4: Simplify right side
49,374,936.80x = 1,293,294,961,330,330.75 - Step 5: Solve for x
x = 1,293,294,961,330,330.75/49,374,936.80 - Step 6: Final answer
x = 26,193,349.20
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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.