Finding the Fourth Proportional to 8,235,979.97, 11,365,358.73 and 4,565,239.79
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Solution
The fourth proportional to 8,235,979.97, 11,365,358.73 and 4,565,239.79 is: 6,299,868.15
Step by Step Solution
- Step 1: Write the proportion equation
8,235,979.97 : 11,365,358.73 = 4,565,239.79 : x - Step 2: Convert to fraction form
8,235,979.97/11,365,358.73 = 4,565,239.79/x - Step 3: Cross multiply
8,235,979.97x = 11,365,358.73 × 4,565,239.79 - Step 4: Simplify right side
8,235,979.97x = 51,885,587,844,993.08 - Step 5: Solve for x
x = 51,885,587,844,993.08/8,235,979.97 - Step 6: Final answer
x = 6,299,868.15
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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.