Finding the Fourth Proportional to 11,370,817.26, 15,691,693.01 and 6,214,178.79
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Solution
The fourth proportional to 11,370,817.26, 15,691,693.01 and 6,214,178.79 is: 8,575,547.70
Step by Step Solution
- Step 1: Write the proportion equation
11,370,817.26 : 15,691,693.01 = 6,214,178.79 : x - Step 2: Convert to fraction form
11,370,817.26/15,691,693.01 = 6,214,178.79/x - Step 3: Cross multiply
11,370,817.26x = 15,691,693.01 × 6,214,178.79 - Step 4: Simplify right side
11,370,817.26x = 97,510,985,850,862.38 - Step 5: Solve for x
x = 97,510,985,850,862.38/11,370,817.26 - Step 6: Final answer
x = 8,575,547.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.