Finding the Fourth Proportional to 11,309,262.16, 15,612,202.44 and 6,962,074.78
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Solution
The fourth proportional to 11,309,262.16, 15,612,202.44 and 6,962,074.78 is: 9,611,000.20
Step by Step Solution
- Step 1: Write the proportion equation
11,309,262.16 : 15,612,202.44 = 6,962,074.78 : x - Step 2: Convert to fraction form
11,309,262.16/15,612,202.44 = 6,962,074.78/x - Step 3: Cross multiply
11,309,262.16x = 15,612,202.44 × 6,962,074.78 - Step 4: Simplify right side
11,309,262.16x = 108,693,320,867,778.47 - Step 5: Solve for x
x = 108,693,320,867,778.47/11,309,262.16 - Step 6: Final answer
x = 9,611,000.20
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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.