Finding the Fourth Proportional to 7,340,090.17, 11,011,553.14 and 2,790,785.24
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Solution
The fourth proportional to 7,340,090.17, 11,011,553.14 and 2,790,785.24 is: 4,186,716.96
Step by Step Solution
- Step 1: Write the proportion equation
7,340,090.17 : 11,011,553.14 = 2,790,785.24 : x - Step 2: Convert to fraction form
7,340,090.17/11,011,553.14 = 2,790,785.24/x - Step 3: Cross multiply
7,340,090.17x = 11,011,553.14 × 2,790,785.24 - Step 4: Simplify right side
7,340,090.17x = 30,730,879,972,587.66 - Step 5: Solve for x
x = 30,730,879,972,587.66/7,340,090.17 - Step 6: Final answer
x = 4,186,716.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.