Finding the Fourth Proportional to 13,762,286.44, 18,992,603.46 and 7,650,817
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Solution
The fourth proportional to 13,762,286.44, 18,992,603.46 and 7,650,817 is: 10,558,487.80
Step by Step Solution
- Step 1: Write the proportion equation
13,762,286.44 : 18,992,603.46 = 7,650,817 : x - Step 2: Convert to fraction form
13,762,286.44/18,992,603.46 = 7,650,817/x - Step 3: Cross multiply
13,762,286.44x = 18,992,603.46 × 7,650,817 - Step 4: Simplify right side
13,762,286.44x = 145,308,933,426,026.81 - Step 5: Solve for x
x = 145,308,933,426,026.81/13,762,286.44 - Step 6: Final answer
x = 10,558,487.80
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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.