Finding the Fourth Proportional to 10,218,811.79, 15,310,866.06 and 6,166,785.17
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Solution
The fourth proportional to 10,218,811.79, 15,310,866.06 and 6,166,785.17 is: 9,239,706.50
Step by Step Solution
- Step 1: Write the proportion equation
10,218,811.79 : 15,310,866.06 = 6,166,785.17 : x - Step 2: Convert to fraction form
10,218,811.79/15,310,866.06 = 6,166,785.17/x - Step 3: Cross multiply
10,218,811.79x = 15,310,866.06 × 6,166,785.17 - Step 4: Simplify right side
10,218,811.79x = 94,418,821,682,110 - Step 5: Solve for x
x = 94,418,821,682,110/10,218,811.79 - Step 6: Final answer
x = 9,239,706.50
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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.