Finding the Fourth Proportional to 8,217,505.36, 12,302,273.40 and 4,795,305.04
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Solution
The fourth proportional to 8,217,505.36, 12,302,273.40 and 4,795,305.04 is: 7,178,961.38
Step by Step Solution
- Step 1: Write the proportion equation
8,217,505.36 : 12,302,273.40 = 4,795,305.04 : x - Step 2: Convert to fraction form
8,217,505.36/12,302,273.40 = 4,795,305.04/x - Step 3: Cross multiply
8,217,505.36x = 12,302,273.40 × 4,795,305.04 - Step 4: Simplify right side
8,217,505.36x = 58,993,153,638,477.94 - Step 5: Solve for x
x = 58,993,153,638,477.94/8,217,505.36 - Step 6: Final answer
x = 7,178,961.38
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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.