Finding the Fourth Proportional to 11,575,261.27, 15,974,153.85 and 6,348,477.53
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Solution
The fourth proportional to 11,575,261.27, 15,974,153.85 and 6,348,477.53 is: 8,761,059.85
Step by Step Solution
- Step 1: Write the proportion equation
11,575,261.27 : 15,974,153.85 = 6,348,477.53 : x - Step 2: Convert to fraction form
11,575,261.27/15,974,153.85 = 6,348,477.53/x - Step 3: Cross multiply
11,575,261.27x = 15,974,153.85 × 6,348,477.53 - Step 4: Simplify right side
11,575,261.27x = 101,411,556,745,745.61 - Step 5: Solve for x
x = 101,411,556,745,745.61/11,575,261.27 - Step 6: Final answer
x = 8,761,059.85
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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.