Finding the Fourth Proportional to 7,390,694.66, 11,017,725.50 and 7,274,220.50
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Solution
The fourth proportional to 7,390,694.66, 11,017,725.50 and 7,274,220.50 is: 10,844,090.90
Step by Step Solution
- Step 1: Write the proportion equation
7,390,694.66 : 11,017,725.50 = 7,274,220.50 : x - Step 2: Convert to fraction form
7,390,694.66/11,017,725.50 = 7,274,220.50/x - Step 3: Cross multiply
7,390,694.66x = 11,017,725.50 × 7,274,220.50 - Step 4: Simplify right side
7,390,694.66x = 80,145,364,686,645.95 - Step 5: Solve for x
x = 80,145,364,686,645.95/7,390,694.66 - Step 6: Final answer
x = 10,844,090.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.