Finding the Fourth Proportional to 28,848,538.36, 39,810,837.36 and 15,795,560.08
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Solution
The fourth proportional to 28,848,538.36, 39,810,837.36 and 15,795,560.08 is: 21,797,793.20
Step by Step Solution
- Step 1: Write the proportion equation
28,848,538.36 : 39,810,837.36 = 15,795,560.08 : x - Step 2: Convert to fraction form
28,848,538.36/39,810,837.36 = 15,795,560.08/x - Step 3: Cross multiply
28,848,538.36x = 39,810,837.36 × 15,795,560.08 - Step 4: Simplify right side
28,848,538.36x = 628,834,473,354,988.62 - Step 5: Solve for x
x = 628,834,473,354,988.62/28,848,538.36 - Step 6: Final answer
x = 21,797,793.20
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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.