Finding the Fourth Proportional to 15,551,921.80, 23,327,882.70 and 4,193,518.60
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Solution
The fourth proportional to 15,551,921.80, 23,327,882.70 and 4,193,518.60 is: 6,290,277.90
Step by Step Solution
- Step 1: Write the proportion equation
15,551,921.80 : 23,327,882.70 = 4,193,518.60 : x - Step 2: Convert to fraction form
15,551,921.80/23,327,882.70 = 4,193,518.60/x - Step 3: Cross multiply
15,551,921.80x = 23,327,882.70 × 4,193,518.60 - Step 4: Simplify right side
15,551,921.80x = 97,825,910,001,068.22 - Step 5: Solve for x
x = 97,825,910,001,068.22/15,551,921.80 - Step 6: Final answer
x = 6,290,277.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.