Finding the Fourth Proportional to 7,894,723.67, 10,895,351.61 and 6,276,485.83
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Solution
The fourth proportional to 7,894,723.67, 10,895,351.61 and 6,276,485.83 is: 8,662,053.65
Step by Step Solution
- Step 1: Write the proportion equation
7,894,723.67 : 10,895,351.61 = 6,276,485.83 : x - Step 2: Convert to fraction form
7,894,723.67/10,895,351.61 = 6,276,485.83/x - Step 3: Cross multiply
7,894,723.67x = 10,895,351.61 × 6,276,485.83 - Step 4: Simplify right side
7,894,723.67x = 68,384,520,009,759.91 - Step 5: Solve for x
x = 68,384,520,009,759.91/7,894,723.67 - Step 6: Final answer
x = 8,662,053.65
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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.