Finding the Fourth Proportional to 7,728,352.11, 11,593,368.95 and 2,870,088.75
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Solution
The fourth proportional to 7,728,352.11, 11,593,368.95 and 2,870,088.75 is: 4,305,445.37
Step by Step Solution
- Step 1: Write the proportion equation
7,728,352.11 : 11,593,368.95 = 2,870,088.75 : x - Step 2: Convert to fraction form
7,728,352.11/11,593,368.95 = 2,870,088.75/x - Step 3: Cross multiply
7,728,352.11x = 11,593,368.95 × 2,870,088.75 - Step 4: Simplify right side
7,728,352.11x = 33,273,997,783,643.87 - Step 5: Solve for x
x = 33,273,997,783,643.87/7,728,352.11 - Step 6: Final answer
x = 4,305,445.37
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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.