Finding the Fourth Proportional to 10,143,530.20, 13,999,507.14 and 6,277,296.88
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Solution
The fourth proportional to 10,143,530.20, 13,999,507.14 and 6,277,296.88 is: 8,663,558.03
Step by Step Solution
- Step 1: Write the proportion equation
10,143,530.20 : 13,999,507.14 = 6,277,296.88 : x - Step 2: Convert to fraction form
10,143,530.20/13,999,507.14 = 6,277,296.88/x - Step 3: Cross multiply
10,143,530.20x = 13,999,507.14 × 6,277,296.88 - Step 4: Simplify right side
10,143,530.20x = 87,879,062,491,459.72 - Step 5: Solve for x
x = 87,879,062,491,459.72/10,143,530.20 - Step 6: Final answer
x = 8,663,558.03
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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.