Finding the Fourth Proportional to 11,221,830.06, 15,485,814.92 and 6,327,008.76
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Solution
The fourth proportional to 11,221,830.06, 15,485,814.92 and 6,327,008.76 is: 8,731,096.99
Step by Step Solution
- Step 1: Write the proportion equation
11,221,830.06 : 15,485,814.92 = 6,327,008.76 : x - Step 2: Convert to fraction form
11,221,830.06/15,485,814.92 = 6,327,008.76/x - Step 3: Cross multiply
11,221,830.06x = 15,485,814.92 × 6,327,008.76 - Step 4: Simplify right side
11,221,830.06x = 97,978,886,654,578.69 - Step 5: Solve for x
x = 97,978,886,654,578.69/11,221,830.06 - Step 6: Final answer
x = 8,731,096.99
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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.