Finding the Fourth Proportional to 11,176,188.93, 15,423,279.80 and 6,765,856.11
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Solution
The fourth proportional to 11,176,188.93, 15,423,279.80 and 6,765,856.11 is: 9,336,965.62
Step by Step Solution
- Step 1: Write the proportion equation
11,176,188.93 : 15,423,279.80 = 6,765,856.11 : x - Step 2: Convert to fraction form
11,176,188.93/15,423,279.80 = 6,765,856.11/x - Step 3: Cross multiply
11,176,188.93x = 15,423,279.80 × 6,765,856.11 - Step 4: Simplify right side
11,176,188.93x = 104,351,691,837,240.30 - Step 5: Solve for x
x = 104,351,691,837,240.30/11,176,188.93 - Step 6: Final answer
x = 9,336,965.62
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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.