Finding the Fourth Proportional to 7,776,224.30, 11,650,339.65 and 6,348,550.70
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Solution
The fourth proportional to 7,776,224.30, 11,650,339.65 and 6,348,550.70 is: 9,511,398.99
Step by Step Solution
- Step 1: Write the proportion equation
7,776,224.30 : 11,650,339.65 = 6,348,550.70 : x - Step 2: Convert to fraction form
7,776,224.30/11,650,339.65 = 6,348,550.70/x - Step 3: Cross multiply
7,776,224.30x = 11,650,339.65 × 6,348,550.70 - Step 4: Simplify right side
7,776,224.30x = 73,962,771,940,245.27 - Step 5: Solve for x
x = 73,962,771,940,245.27/7,776,224.30 - Step 6: Final answer
x = 9,511,398.99
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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.