Finding the Fourth Proportional to 11,277,930.96, 15,563,349.44 and 6,121,181.84
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Solution
The fourth proportional to 11,277,930.96, 15,563,349.44 and 6,121,181.84 is: 8,447,124.95
Step by Step Solution
- Step 1: Write the proportion equation
11,277,930.96 : 15,563,349.44 = 6,121,181.84 : x - Step 2: Convert to fraction form
11,277,930.96/15,563,349.44 = 6,121,181.84/x - Step 3: Cross multiply
11,277,930.96x = 15,563,349.44 × 6,121,181.84 - Step 4: Simplify right side
11,277,930.96x = 95,266,091,961,702.17 - Step 5: Solve for x
x = 95,266,091,961,702.17/11,277,930.96 - Step 6: Final answer
x = 8,447,124.95
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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.