Finding the Fourth Proportional to 9,197,702.38, 13,798,690.44 and 3,132,486.82
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Solution
The fourth proportional to 9,197,702.38, 13,798,690.44 and 3,132,486.82 is: 4,699,457.99
Step by Step Solution
- Step 1: Write the proportion equation
9,197,702.38 : 13,798,690.44 = 3,132,486.82 : x - Step 2: Convert to fraction form
9,197,702.38/13,798,690.44 = 3,132,486.82/x - Step 3: Cross multiply
9,197,702.38x = 13,798,690.44 × 3,132,486.82 - Step 4: Simplify right side
9,197,702.38x = 43,224,215,936,560 - Step 5: Solve for x
x = 43,224,215,936,560/9,197,702.38 - Step 6: Final answer
x = 4,699,457.99
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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.