Finding the Fourth Proportional to 10,338,162.12, 15,507,246.78 and 4,651,743.42
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Solution
The fourth proportional to 10,338,162.12, 15,507,246.78 and 4,651,743.42 is: 6,977,616.75
Step by Step Solution
- Step 1: Write the proportion equation
10,338,162.12 : 15,507,246.78 = 4,651,743.42 : x - Step 2: Convert to fraction form
10,338,162.12/15,507,246.78 = 4,651,743.42/x - Step 3: Cross multiply
10,338,162.12x = 15,507,246.78 × 4,651,743.42 - Step 4: Simplify right side
10,338,162.12x = 72,135,733,171,181.19 - Step 5: Solve for x
x = 72,135,733,171,181.19/10,338,162.12 - Step 6: Final answer
x = 6,977,616.75
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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.