Finding the Fourth Proportional to 11,539,776.58, 15,924,695.18 and 6,383,134.02
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Solution
The fourth proportional to 11,539,776.58, 15,924,695.18 and 6,383,134.02 is: 8,808,616.26
Step by Step Solution
- Step 1: Write the proportion equation
11,539,776.58 : 15,924,695.18 = 6,383,134.02 : x - Step 2: Convert to fraction form
11,539,776.58/15,924,695.18 = 6,383,134.02/x - Step 3: Cross multiply
11,539,776.58x = 15,924,695.18 × 6,383,134.02 - Step 4: Simplify right side
11,539,776.58x = 101,649,463,589,389.95 - Step 5: Solve for x
x = 101,649,463,589,389.95/11,539,776.58 - Step 6: Final answer
x = 8,808,616.26
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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.