Finding the Fourth Proportional to 7,538,088.30, 11,221,879.64 and 7,493,247.84
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Solution
The fourth proportional to 7,538,088.30, 11,221,879.64 and 7,493,247.84 is: 11,155,126.07
Step by Step Solution
- Step 1: Write the proportion equation
7,538,088.30 : 11,221,879.64 = 7,493,247.84 : x - Step 2: Convert to fraction form
7,538,088.30/11,221,879.64 = 7,493,247.84/x - Step 3: Cross multiply
7,538,088.30x = 11,221,879.64 × 7,493,247.84 - Step 4: Simplify right side
7,538,088.30x = 84,088,325,335,703.73 - Step 5: Solve for x
x = 84,088,325,335,703.73/7,538,088.30 - Step 6: Final answer
x = 11,155,126.07
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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.