Finding the Fourth Proportional to 11,200,661.44, 15,455,729.58 and 6,305,794.54
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Solution
The fourth proportional to 11,200,661.44, 15,455,729.58 and 6,305,794.54 is: 8,701,330.34
Step by Step Solution
- Step 1: Write the proportion equation
11,200,661.44 : 15,455,729.58 = 6,305,794.54 : x - Step 2: Convert to fraction form
11,200,661.44/15,455,729.58 = 6,305,794.54/x - Step 3: Cross multiply
11,200,661.44x = 15,455,729.58 × 6,305,794.54 - Step 4: Simplify right side
11,200,661.44x = 97,460,655,197,280.50 - Step 5: Solve for x
x = 97,460,655,197,280.50/11,200,661.44 - Step 6: Final answer
x = 8,701,330.34
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1.5x scale
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.