Finding the Fourth Proportional to 11,582,466.09, 15,970,633.76 and 7,390,511.97
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Solution
The fourth proportional to 11,582,466.09, 15,970,633.76 and 7,390,511.97 is: 10,190,503.39
Step by Step Solution
- Step 1: Write the proportion equation
11,582,466.09 : 15,970,633.76 = 7,390,511.97 : x - Step 2: Convert to fraction form
11,582,466.09/15,970,633.76 = 7,390,511.97/x - Step 3: Cross multiply
11,582,466.09x = 15,970,633.76 × 7,390,511.97 - Step 4: Simplify right side
11,582,466.09x = 118,031,159,934,813.55 - Step 5: Solve for x
x = 118,031,159,934,813.55/11,582,466.09 - Step 6: Final answer
x = 10,190,503.39
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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.