Finding the Fourth Proportional to 11,539,808.15, 15,924,738.65 and 6,383,165.49
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Solution
The fourth proportional to 11,539,808.15, 15,924,738.65 and 6,383,165.49 is: 8,808,659.63
Step by Step Solution
- Step 1: Write the proportion equation
11,539,808.15 : 15,924,738.65 = 6,383,165.49 : x - Step 2: Convert to fraction form
11,539,808.15/15,924,738.65 = 6,383,165.49/x - Step 3: Cross multiply
11,539,808.15x = 15,924,738.65 × 6,383,165.49 - Step 4: Simplify right side
11,539,808.15x = 101,650,242,156,033.36 - Step 5: Solve for x
x = 101,650,242,156,033.36/11,539,808.15 - Step 6: Final answer
x = 8,808,659.63
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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.