Finding the Fourth Proportional to 11,575,261.02, 15,974,153.50 and 6,348,477.28
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Solution
The fourth proportional to 11,575,261.02, 15,974,153.50 and 6,348,477.28 is: 8,761,059.50
Step by Step Solution
- Step 1: Write the proportion equation
11,575,261.02 : 15,974,153.50 = 6,348,477.28 : x - Step 2: Convert to fraction form
11,575,261.02/15,974,153.50 = 6,348,477.28/x - Step 3: Cross multiply
11,575,261.02x = 15,974,153.50 × 6,348,477.28 - Step 4: Simplify right side
11,575,261.02x = 101,411,550,561,982.48 - Step 5: Solve for x
x = 101,411,550,561,982.48/11,575,261.02 - Step 6: Final answer
x = 8,761,059.50
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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.