Finding the Fourth Proportional to 10,307,305.28, 15,462,858.72 and 3,391,173.44
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Solution
The fourth proportional to 10,307,305.28, 15,462,858.72 and 3,391,173.44 is: 5,087,385.54
Step by Step Solution
- Step 1: Write the proportion equation
10,307,305.28 : 15,462,858.72 = 3,391,173.44 : x - Step 2: Convert to fraction form
10,307,305.28/15,462,858.72 = 3,391,173.44/x - Step 3: Cross multiply
10,307,305.28x = 15,462,858.72 × 3,391,173.44 - Step 4: Simplify right side
10,307,305.28x = 52,437,235,797,736.40 - Step 5: Solve for x
x = 52,437,235,797,736.40/10,307,305.28 - Step 6: Final answer
x = 5,087,385.54
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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.