Finding the Fourth Proportional to 11,409,690.70, 15,745,282.77 and 6,253,039.95
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Solution
The fourth proportional to 11,409,690.70, 15,745,282.77 and 6,253,039.95 is: 8,629,145.59
Step by Step Solution
- Step 1: Write the proportion equation
11,409,690.70 : 15,745,282.77 = 6,253,039.95 : x - Step 2: Convert to fraction form
11,409,690.70/15,745,282.77 = 6,253,039.95/x - Step 3: Cross multiply
11,409,690.70x = 15,745,282.77 × 6,253,039.95 - Step 4: Simplify right side
11,409,690.70x = 98,455,882,184,856.66 - Step 5: Solve for x
x = 98,455,882,184,856.66/11,409,690.70 - Step 6: Final answer
x = 8,629,145.59
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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.