Finding the Fourth Proportional to 11,278,281.12, 15,572,116.32 and 6,933,193.20
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Solution
The fourth proportional to 11,278,281.12, 15,572,116.32 and 6,933,193.20 is: 9,572,778.85
Step by Step Solution
- Step 1: Write the proportion equation
11,278,281.12 : 15,572,116.32 = 6,933,193.20 : x - Step 2: Convert to fraction form
11,278,281.12/15,572,116.32 = 6,933,193.20/x - Step 3: Cross multiply
11,278,281.12x = 15,572,116.32 × 6,933,193.20 - Step 4: Simplify right side
11,278,281.12x = 107,964,490,979,433.03 - Step 5: Solve for x
x = 107,964,490,979,433.03/11,278,281.12 - Step 6: Final answer
x = 9,572,778.85
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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.