Finding the Fourth Proportional to 7,998,390.16, 11,995,291.32 and 2,607,511.12
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Solution
The fourth proportional to 7,998,390.16, 11,995,291.32 and 2,607,511.12 is: 3,910,518.85
Step by Step Solution
- Step 1: Write the proportion equation
7,998,390.16 : 11,995,291.32 = 2,607,511.12 : x - Step 2: Convert to fraction form
7,998,390.16/11,995,291.32 = 2,607,511.12/x - Step 3: Cross multiply
7,998,390.16x = 11,995,291.32 × 2,607,511.12 - Step 4: Simplify right side
7,998,390.16x = 31,277,855,504,539.48 - Step 5: Solve for x
x = 31,277,855,504,539.48/7,998,390.16 - Step 6: Final answer
x = 3,910,518.85
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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.