Finding the Fourth Proportional to 10,218,706.79, 15,310,708.76 and 6,166,679.96
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Solution
The fourth proportional to 10,218,706.79, 15,310,708.76 and 6,166,679.96 is: 9,239,548.89
Step by Step Solution
- Step 1: Write the proportion equation
10,218,706.79 : 15,310,708.76 = 6,166,679.96 : x - Step 2: Convert to fraction form
10,218,706.79/15,310,708.76 = 6,166,679.96/x - Step 3: Cross multiply
10,218,706.79x = 15,310,708.76 × 6,166,679.96 - Step 4: Simplify right side
10,218,706.79x = 94,416,240,937,381.92 - Step 5: Solve for x
x = 94,416,240,937,381.92/10,218,706.79 - Step 6: Final answer
x = 9,239,548.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.