Finding the Fourth Proportional to 13,658,046.24, 18,848,065.12 and 7,546,431.20
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Solution
The fourth proportional to 13,658,046.24, 18,848,065.12 and 7,546,431.20 is: 10,414,053.68
Step by Step Solution
- Step 1: Write the proportion equation
13,658,046.24 : 18,848,065.12 = 7,546,431.20 : x - Step 2: Convert to fraction form
13,658,046.24/18,848,065.12 = 7,546,431.20/x - Step 3: Cross multiply
13,658,046.24x = 18,848,065.12 × 7,546,431.20 - Step 4: Simplify right side
13,658,046.24x = 142,235,626,681,199.75 - Step 5: Solve for x
x = 142,235,626,681,199.75/13,658,046.24 - Step 6: Final answer
x = 10,414,053.68
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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.