Finding the Fourth Proportional to 10,284,905.64, 14,194,615.70 and 6,365,918.79
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Solution
The fourth proportional to 10,284,905.64, 14,194,615.70 and 6,365,918.79 is: 8,785,862.89
Step by Step Solution
- Step 1: Write the proportion equation
10,284,905.64 : 14,194,615.70 = 6,365,918.79 : x - Step 2: Convert to fraction form
10,284,905.64/14,194,615.70 = 6,365,918.79/x - Step 3: Cross multiply
10,284,905.64x = 14,194,615.70 × 6,365,918.79 - Step 4: Simplify right side
10,284,905.64x = 90,361,770,817,373.80 - Step 5: Solve for x
x = 90,361,770,817,373.80/10,284,905.64 - Step 6: Final answer
x = 8,785,862.89
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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.